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3
 * https://jquery.com/
4
 *
5
 * Includes Sizzle.js
6
 * https://sizzlejs.com/
7
 *
8
 * Copyright JS Foundation and other contributors
9
 * Released under the MIT license
10
 * https://jquery.org/license
11
 *
12
 * Date: 2019-05-01T21:04Z
13
 */
14
( function( global, factory ) {
15
16
    "use strict";
17
18
    if ( typeof module === "object" && typeof module.exports === "object" ) {
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        // For CommonJS and CommonJS-like environments where a proper `window`
21
        // is present, execute the factory and get jQuery.
22
        // For environments that do not have a `window` with a `document`
23
        // (such as Node.js), expose a factory as module.exports.
24
        // This accentuates the need for the creation of a real `window`.
25
        // e.g. var jQuery = require("jquery")(window);
26
        // See ticket #14549 for more info.
27
        module.exports = global.document ?
28
            factory( global, true ) :
29
            function( w ) {
30
                if ( !w.document ) {
31
                    throw new Error( "jQuery requires a window with a document" );
32
                }
33
                return factory( w );
34
            };
35
    } else {
36
        factory( global );
37
    }
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39
// Pass this if window is not defined yet
40
} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
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42
// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43
// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44
// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45
// enough that all such attempts are guarded in a try block.
46
"use strict";
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48
var arr = [];
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var document = window.document;
51
52
var getProto = Object.getPrototypeOf;
53
54
var slice = arr.slice;
55
56
var concat = arr.concat;
57
58
var push = arr.push;
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60
var indexOf = arr.indexOf;
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62
var class2type = {};
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64
var toString = class2type.toString;
65
66
var hasOwn = class2type.hasOwnProperty;
67
68
var fnToString = hasOwn.toString;
69
70
var ObjectFunctionString = fnToString.call( Object );
71
72
var support = {};
73
74
var isFunction = function isFunction( obj ) {
75
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      // Support: Chrome <=57, Firefox <=52
77
      // In some browsers, typeof returns "function" for HTML <object> elements
78
      // (i.e., `typeof document.createElement( "object" ) === "function"`).
79
      // We don't want to classify *any* DOM node as a function.
80
      return typeof obj === "function" && typeof obj.nodeType !== "number";
81
  };
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var isWindow = function isWindow( obj ) {
85
        return obj != null && obj === obj.window;
86
    };
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    var preservedScriptAttributes = {
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        type: true,
93
        src: true,
94
        nonce: true,
95
        noModule: true
96
    };
97
98
    function DOMEval( code, node, doc ) {
99
        doc = doc || document;
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        var i, val,
102
            script = doc.createElement( "script" );
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        script.text = code;
105
        if ( node ) {
106
            for ( i in preservedScriptAttributes ) {
107
108
                // Support: Firefox 64+, Edge 18+
109
                // Some browsers don't support the "nonce" property on scripts.
110
                // On the other hand, just using `getAttribute` is not enough as
111
                // the `nonce` attribute is reset to an empty string whenever it
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                // becomes browsing-context connected.
113
                // See https://github.com/whatwg/html/issues/2369
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                // See https://html.spec.whatwg.org/#nonce-attributes
115
                // The `node.getAttribute` check was added for the sake of
116
                // `jQuery.globalEval` so that it can fake a nonce-containing node
117
                // via an object.
118
                val = node[ i ] || node.getAttribute && node.getAttribute( i );
119
                if ( val ) {
120
                    script.setAttribute( i, val );
121
                }
122
            }
123
        }
124
        doc.head.appendChild( script ).parentNode.removeChild( script );
125
    }
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127
128
function toType( obj ) {
129
    if ( obj == null ) {
130
        return obj + "";
131
    }
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133
    // Support: Android <=2.3 only (functionish RegExp)
134
    return typeof obj === "object" || typeof obj === "function" ?
135
        class2type[ toString.call( obj ) ] || "object" :
136
        typeof obj;
137
}
138
/* global Symbol */
139
// Defining this global in .eslintrc.json would create a danger of using the global
140
// unguarded in another place, it seems safer to define global only for this module
141
142
143
144
var
145
    version = "3.4.1",
146
147
    // Define a local copy of jQuery
148
    jQuery = function( selector, context ) {
149
150
        // The jQuery object is actually just the init constructor 'enhanced'
151
        // Need init if jQuery is called (just allow error to be thrown if not included)
152
        return new jQuery.fn.init( selector, context );
153
    },
154
155
    // Support: Android <=4.0 only
156
    // Make sure we trim BOM and NBSP
157
    rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
158
159
jQuery.fn = jQuery.prototype = {
160
161
    // The current version of jQuery being used
162
    jquery: version,
163
164
    constructor: jQuery,
165
166
    // The default length of a jQuery object is 0
167
    length: 0,
168
169
    toArray: function() {
170
        return slice.call( this );
171
    },
172
173
    // Get the Nth element in the matched element set OR
174
    // Get the whole matched element set as a clean array
175
    get: function( num ) {
176
177
        // Return all the elements in a clean array
178
        if ( num == null ) {
179
            return slice.call( this );
180
        }
181
182
        // Return just the one element from the set
183
        return num < 0 ? this[ num + this.length ] : this[ num ];
184
    },
185
186
    // Take an array of elements and push it onto the stack
187
    // (returning the new matched element set)
188
    pushStack: function( elems ) {
189
190
        // Build a new jQuery matched element set
191
        var ret = jQuery.merge( this.constructor(), elems );
192
193
        // Add the old object onto the stack (as a reference)
194
        ret.prevObject = this;
195
196
        // Return the newly-formed element set
197
        return ret;
198
    },
199
200
    // Execute a callback for every element in the matched set.
201
    each: function( callback ) {
202
        return jQuery.each( this, callback );
203
    },
204
205
    map: function( callback ) {
206
        return this.pushStack( jQuery.map( this, function( elem, i ) {
207
            return callback.call( elem, i, elem );
208
        } ) );
209
    },
210
211
    slice: function() {
212
        return this.pushStack( slice.apply( this, arguments ) );
213
    },
214
215
    first: function() {
216
        return this.eq( 0 );
217
    },
218
219
    last: function() {
220
        return this.eq( -1 );
221
    },
222
223
    eq: function( i ) {
224
        var len = this.length,
225
            j = +i + ( i < 0 ? len : 0 );
226
        return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
227
    },
228
229
    end: function() {
230
        return this.prevObject || this.constructor();
231
    },
232
233
    // For internal use only.
234
    // Behaves like an Array's method, not like a jQuery method.
235
    push: push,
236
    sort: arr.sort,
237
    splice: arr.splice
238
};
239
240
jQuery.extend = jQuery.fn.extend = function() {
241
    var options, name, src, copy, copyIsArray, clone,
242
        target = arguments[ 0 ] || {},
243
        i = 1,
244
        length = arguments.length,
245
        deep = false;
246
247
    // Handle a deep copy situation
248
    if ( typeof target === "boolean" ) {
249
        deep = target;
250
251
        // Skip the boolean and the target
252
        target = arguments[ i ] || {};
253
        i++;
254
    }
255
256
    // Handle case when target is a string or something (possible in deep copy)
257
    if ( typeof target !== "object" && !isFunction( target ) ) {
258
        target = {};
259
    }
260
261
    // Extend jQuery itself if only one argument is passed
262
    if ( i === length ) {
263
        target = this;
264
        i--;
265
    }
266
267
    for ( ; i < length; i++ ) {
268
269
        // Only deal with non-null/undefined values
270
        if ( ( options = arguments[ i ] ) != null ) {
271
272
            // Extend the base object
273
            for ( name in options ) {
274
                copy = options[ name ];
275
276
                // Prevent Object.prototype pollution
277
                // Prevent never-ending loop
278
                if ( name === "__proto__" || target === copy ) {
279
                    continue;
280
                }
281
282
                // Recurse if we're merging plain objects or arrays
283
                if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
284
                    ( copyIsArray = Array.isArray( copy ) ) ) ) {
285
                    src = target[ name ];
286
287
                    // Ensure proper type for the source value
288
                    if ( copyIsArray && !Array.isArray( src ) ) {
289
                        clone = [];
290
                    } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
291
                        clone = {};
292
                    } else {
293
                        clone = src;
294
                    }
295
                    copyIsArray = false;
296
297
                    // Never move original objects, clone them
298
                    target[ name ] = jQuery.extend( deep, clone, copy );
299
300
                // Don't bring in undefined values
301
                } else if ( copy !== undefined ) {
302
                    target[ name ] = copy;
303
                }
304
            }
305
        }
306
    }
307
308
    // Return the modified object
309
    return target;
310
};
311
312
jQuery.extend( {
313
314
    // Unique for each copy of jQuery on the page
315
    expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
316
317
    // Assume jQuery is ready without the ready module
318
    isReady: true,
319
320
    error: function( msg ) {
321
        throw new Error( msg );
322
    },
323
324
    noop: function() {},
325
326
    isPlainObject: function( obj ) {
327
        var proto, Ctor;
328
329
        // Detect obvious negatives
330
        // Use toString instead of jQuery.type to catch host objects
331
        if ( !obj || toString.call( obj ) !== "[object Object]" ) {
332
            return false;
333
        }
334
335
        proto = getProto( obj );
336
337
        // Objects with no prototype (e.g., `Object.create( null )`) are plain
338
        if ( !proto ) {
339
            return true;
340
        }
341
342
        // Objects with prototype are plain iff they were constructed by a global Object function
343
        Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
344
        return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
345
    },
346
347
    isEmptyObject: function( obj ) {
348
        var name;
349
350
        for ( name in obj ) {
351
            return false;
352
        }
353
        return true;
354
    },
355
356
    // Evaluates a script in a global context
357
    globalEval: function( code, options ) {
358
        DOMEval( code, { nonce: options && options.nonce } );
359
    },
360
361
    each: function( obj, callback ) {
362
        var length, i = 0;
363
364
        if ( isArrayLike( obj ) ) {
365
            length = obj.length;
366
            for ( ; i < length; i++ ) {
367
                if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
368
                    break;
369
                }
370
            }
371
        } else {
372
            for ( i in obj ) {
373
                if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
374
                    break;
375
                }
376
            }
377
        }
378
379
        return obj;
380
    },
381
382
    // Support: Android <=4.0 only
383
    trim: function( text ) {
384
        return text == null ?
385
            "" :
386
            ( text + "" ).replace( rtrim, "" );
387
    },
388
389
    // results is for internal usage only
390
    makeArray: function( arr, results ) {
391
        var ret = results || [];
392
393
        if ( arr != null ) {
394
            if ( isArrayLike( Object( arr ) ) ) {
395
                jQuery.merge( ret,
396
                    typeof arr === "string" ?
397
                    [ arr ] : arr
398
                );
399
            } else {
400
                push.call( ret, arr );
401
            }
402
        }
403
404
        return ret;
405
    },
406
407
    inArray: function( elem, arr, i ) {
408
        return arr == null ? -1 : indexOf.call( arr, elem, i );
409
    },
410
411
    // Support: Android <=4.0 only, PhantomJS 1 only
412
    // push.apply(_, arraylike) throws on ancient WebKit
413
    merge: function( first, second ) {
414
        var len = +second.length,
415
            j = 0,
416
            i = first.length;
417
418
        for ( ; j < len; j++ ) {
419
            first[ i++ ] = second[ j ];
420
        }
421
422
        first.length = i;
423
424
        return first;
425
    },
426
427
    grep: function( elems, callback, invert ) {
428
        var callbackInverse,
429
            matches = [],
430
            i = 0,
431
            length = elems.length,
432
            callbackExpect = !invert;
433
434
        // Go through the array, only saving the items
435
        // that pass the validator function
436
        for ( ; i < length; i++ ) {
437
            callbackInverse = !callback( elems[ i ], i );
438
            if ( callbackInverse !== callbackExpect ) {
439
                matches.push( elems[ i ] );
440
            }
441
        }
442
443
        return matches;
444
    },
445
446
    // arg is for internal usage only
447
    map: function( elems, callback, arg ) {
448
        var length, value,
449
            i = 0,
450
            ret = [];
451
452
        // Go through the array, translating each of the items to their new values
453
        if ( isArrayLike( elems ) ) {
454
            length = elems.length;
455
            for ( ; i < length; i++ ) {
456
                value = callback( elems[ i ], i, arg );
457
458
                if ( value != null ) {
459
                    ret.push( value );
460
                }
461
            }
462
463
        // Go through every key on the object,
464
        } else {
465
            for ( i in elems ) {
466
                value = callback( elems[ i ], i, arg );
467
468
                if ( value != null ) {
469
                    ret.push( value );
470
                }
471
            }
472
        }
473
474
        // Flatten any nested arrays
475
        return concat.apply( [], ret );
476
    },
477
478
    // A global GUID counter for objects
479
    guid: 1,
480
481
    // jQuery.support is not used in Core but other projects attach their
482
    // properties to it so it needs to exist.
483
    support: support
484
} );
485
486
if ( typeof Symbol === "function" ) {
487
    jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
488
}
489
490
// Populate the class2type map
491
jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
492
function( i, name ) {
493
    class2type[ "[object " + name + "]" ] = name.toLowerCase();
494
} );
495
496
function isArrayLike( obj ) {
497
498
    // Support: real iOS 8.2 only (not reproducible in simulator)
499
    // `in` check used to prevent JIT error (gh-2145)
500
    // hasOwn isn't used here due to false negatives
501
    // regarding Nodelist length in IE
502
    var length = !!obj && "length" in obj && obj.length,
503
        type = toType( obj );
504
505
    if ( isFunction( obj ) || isWindow( obj ) ) {
506
        return false;
507
    }
508
509
    return type === "array" || length === 0 ||
510
        typeof length === "number" && length > 0 && ( length - 1 ) in obj;
511
}
512
var Sizzle =
513
/*!
514
 * Sizzle CSS Selector Engine v2.3.4
515
 * https://sizzlejs.com/
516
 *
517
 * Copyright JS Foundation and other contributors
518
 * Released under the MIT license
519
 * https://js.foundation/
520
 *
521
 * Date: 2019-04-08
522
 */
523
(function( window ) {
524
525
var i,
526
    support,
527
    Expr,
528
    getText,
529
    isXML,
530
    tokenize,
531
    compile,
532
    select,
533
    outermostContext,
534
    sortInput,
535
    hasDuplicate,
536
537
    // Local document vars
538
    setDocument,
539
    document,
540
    docElem,
541
    documentIsHTML,
542
    rbuggyQSA,
543
    rbuggyMatches,
544
    matches,
545
    contains,
546
547
    // Instance-specific data
548
    expando = "sizzle" + 1 * new Date(),
549
    preferredDoc = window.document,
550
    dirruns = 0,
551
    done = 0,
552
    classCache = createCache(),
553
    tokenCache = createCache(),
554
    compilerCache = createCache(),
555
    nonnativeSelectorCache = createCache(),
556
    sortOrder = function( a, b ) {
557
        if ( a === b ) {
558
            hasDuplicate = true;
559
        }
560
        return 0;
561
    },
562
563
    // Instance methods
564
    hasOwn = ({}).hasOwnProperty,
565
    arr = [],
566
    pop = arr.pop,
567
    push_native = arr.push,
568
    push = arr.push,
569
    slice = arr.slice,
570
    // Use a stripped-down indexOf as it's faster than native
571
    // https://jsperf.com/thor-indexof-vs-for/5
572
    indexOf = function( list, elem ) {
573
        var i = 0,
574
            len = list.length;
575
        for ( ; i < len; i++ ) {
576
            if ( list[i] === elem ) {
577
                return i;
578
            }
579
        }
580
        return -1;
581
    },
582
583
    booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
584
585
    // Regular expressions
586
587
    // http://www.w3.org/TR/css3-selectors/#whitespace
588
    whitespace = "[\\x20\\t\\r\\n\\f]",
589
590
    // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
591
    identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
592
593
    // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
594
    attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
595
        // Operator (capture 2)
596
        "*([*^$|!~]?=)" + whitespace +
597
        // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
598
        "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
599
        "*\\]",
600
601
    pseudos = ":(" + identifier + ")(?:\\((" +
602
        // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
603
        // 1. quoted (capture 3; capture 4 or capture 5)
604
        "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
605
        // 2. simple (capture 6)
606
        "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
607
        // 3. anything else (capture 2)
608
        ".*" +
609
        ")\\)|)",
610
611
    // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
612
    rwhitespace = new RegExp( whitespace + "+", "g" ),
613
    rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
614
615
    rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
616
    rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
617
    rdescend = new RegExp( whitespace + "|>" ),
618
619
    rpseudo = new RegExp( pseudos ),
620
    ridentifier = new RegExp( "^" + identifier + "$" ),
621
622
    matchExpr = {
623
        "ID": new RegExp( "^#(" + identifier + ")" ),
624
        "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
625
        "TAG": new RegExp( "^(" + identifier + "|[*])" ),
626
        "ATTR": new RegExp( "^" + attributes ),
627
        "PSEUDO": new RegExp( "^" + pseudos ),
628
        "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
629
            "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
630
            "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
631
        "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
632
        // For use in libraries implementing .is()
633
        // We use this for POS matching in `select`
634
        "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
635
            whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
636
    },
637
638
    rhtml = /HTML$/i,
639
    rinputs = /^(?:input|select|textarea|button)$/i,
640
    rheader = /^h\d$/i,
641
642
    rnative = /^[^{]+\{\s*\[native \w/,
643
644
    // Easily-parseable/retrievable ID or TAG or CLASS selectors
645
    rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
646
647
    rsibling = /[+~]/,
648
649
    // CSS escapes
650
    // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
651
    runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
652
    funescape = function( _, escaped, escapedWhitespace ) {
653
        var high = "0x" + escaped - 0x10000;
654
        // NaN means non-codepoint
655
        // Support: Firefox<24
656
        // Workaround erroneous numeric interpretation of +"0x"
657
        return high !== high || escapedWhitespace ?
658
            escaped :
659
            high < 0 ?
660
                // BMP codepoint
661
                String.fromCharCode( high + 0x10000 ) :
662
                // Supplemental Plane codepoint (surrogate pair)
663
                String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
664
    },
665
666
    // CSS string/identifier serialization
667
    // https://drafts.csswg.org/cssom/#common-serializing-idioms
668
    rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
669
    fcssescape = function( ch, asCodePoint ) {
670
        if ( asCodePoint ) {
671
672
            // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
673
            if ( ch === "\0" ) {
674
                return "\uFFFD";
675
            }
676
677
            // Control characters and (dependent upon position) numbers get escaped as code points
678
            return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
679
        }
680
681
        // Other potentially-special ASCII characters get backslash-escaped
682
        return "\\" + ch;
683
    },
684
685
    // Used for iframes
686
    // See setDocument()
687
    // Removing the function wrapper causes a "Permission Denied"
688
    // error in IE
689
    unloadHandler = function() {
690
        setDocument();
691
    },
692
693
    inDisabledFieldset = addCombinator(
694
        function( elem ) {
695
            return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
696
        },
697
        { dir: "parentNode", next: "legend" }
698
    );
699
700
// Optimize for push.apply( _, NodeList )
701
try {
702
    push.apply(
703
        (arr = slice.call( preferredDoc.childNodes )),
704
        preferredDoc.childNodes
705
    );
706
    // Support: Android<4.0
707
    // Detect silently failing push.apply
708
    arr[ preferredDoc.childNodes.length ].nodeType;
709
} catch ( e ) {
710
    push = { apply: arr.length ?
711
712
        // Leverage slice if possible
713
        function( target, els ) {
714
            push_native.apply( target, slice.call(els) );
715
        } :
716
717
        // Support: IE<9
718
        // Otherwise append directly
719
        function( target, els ) {
720
            var j = target.length,
721
                i = 0;
722
            // Can't trust NodeList.length
723
            while ( (target[j++] = els[i++]) ) {}
724
            target.length = j - 1;
725
        }
726
    };
727
}
728
729
function Sizzle( selector, context, results, seed ) {
730
    var m, i, elem, nid, match, groups, newSelector,
731
        newContext = context && context.ownerDocument,
732
733
        // nodeType defaults to 9, since context defaults to document
734
        nodeType = context ? context.nodeType : 9;
735
736
    results = results || [];
737
738
    // Return early from calls with invalid selector or context
739
    if ( typeof selector !== "string" || !selector ||
740
        nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
741
742
        return results;
743
    }
744
745
    // Try to shortcut find operations (as opposed to filters) in HTML documents
746
    if ( !seed ) {
747
748
        if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
749
            setDocument( context );
750
        }
751
        context = context || document;
752
753
        if ( documentIsHTML ) {
754
755
            // If the selector is sufficiently simple, try using a "get*By*" DOM method
756
            // (excepting DocumentFragment context, where the methods don't exist)
757
            if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
758
759
                // ID selector
760
                if ( (m = match[1]) ) {
761
762
                    // Document context
763
                    if ( nodeType === 9 ) {
764
                        if ( (elem = context.getElementById( m )) ) {
765
766
                            // Support: IE, Opera, Webkit
767
                            // TODO: identify versions
768
                            // getElementById can match elements by name instead of ID
769
                            if ( elem.id === m ) {
770
                                results.push( elem );
771
                                return results;
772
                            }
773
                        } else {
774
                            return results;
775
                        }
776
777
                    // Element context
778
                    } else {
779
780
                        // Support: IE, Opera, Webkit
781
                        // TODO: identify versions
782
                        // getElementById can match elements by name instead of ID
783
                        if ( newContext && (elem = newContext.getElementById( m )) &&
784
                            contains( context, elem ) &&
785
                            elem.id === m ) {
786
787
                            results.push( elem );
788
                            return results;
789
                        }
790
                    }
791
792
                // Type selector
793
                } else if ( match[2] ) {
794
                    push.apply( results, context.getElementsByTagName( selector ) );
795
                    return results;
796
797
                // Class selector
798
                } else if ( (m = match[3]) && support.getElementsByClassName &&
799
                    context.getElementsByClassName ) {
800
801
                    push.apply( results, context.getElementsByClassName( m ) );
802
                    return results;
803
                }
804
            }
805
806
            // Take advantage of querySelectorAll
807
            if ( support.qsa &&
808
                !nonnativeSelectorCache[ selector + " " ] &&
809
                (!rbuggyQSA || !rbuggyQSA.test( selector )) &&
810
811
                // Support: IE 8 only
812
                // Exclude object elements
813
                (nodeType !== 1 || context.nodeName.toLowerCase() !== "object") ) {
814
815
                newSelector = selector;
816
                newContext = context;
817
818
                // qSA considers elements outside a scoping root when evaluating child or
819
                // descendant combinators, which is not what we want.
820
                // In such cases, we work around the behavior by prefixing every selector in the
821
                // list with an ID selector referencing the scope context.
822
                // Thanks to Andrew Dupont for this technique.
823
                if ( nodeType === 1 && rdescend.test( selector ) ) {
824
825
                    // Capture the context ID, setting it first if necessary
826
                    if ( (nid = context.getAttribute( "id" )) ) {
827
                        nid = nid.replace( rcssescape, fcssescape );
828
                    } else {
829
                        context.setAttribute( "id", (nid = expando) );
830
                    }
831
832
                    // Prefix every selector in the list
833
                    groups = tokenize( selector );
834
                    i = groups.length;
835
                    while ( i-- ) {
836
                        groups[i] = "#" + nid + " " + toSelector( groups[i] );
837
                    }
838
                    newSelector = groups.join( "," );
839
840
                    // Expand context for sibling selectors
841
                    newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
842
                        context;
843
                }
844
845
                try {
846
                    push.apply( results,
847
                        newContext.querySelectorAll( newSelector )
848
                    );
849
                    return results;
850
                } catch ( qsaError ) {
851
                    nonnativeSelectorCache( selector, true );
852
                } finally {
853
                    if ( nid === expando ) {
854
                        context.removeAttribute( "id" );
855
                    }
856
                }
857
            }
858
        }
859
    }
860
861
    // All others
862
    return select( selector.replace( rtrim, "$1" ), context, results, seed );
863
}
864
865
/**
866
 * Create key-value caches of limited size
867
 * @returns {function(string, object)} Returns the Object data after storing it on itself with
868
 *  property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
869
 *  deleting the oldest entry
870
 */
871
function createCache() {
872
    var keys = [];
873
874
    function cache( key, value ) {
875
        // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
876
        if ( keys.push( key + " " ) > Expr.cacheLength ) {
877
            // Only keep the most recent entries
878
            delete cache[ keys.shift() ];
879
        }
880
        return (cache[ key + " " ] = value);
881
    }
882
    return cache;
883
}
884
885
/**
886
 * Mark a function for special use by Sizzle
887
 * @param {Function} fn The function to mark
888
 */
889
function markFunction( fn ) {
890
    fn[ expando ] = true;
891
    return fn;
892
}
893
894
/**
895
 * Support testing using an element
896
 * @param {Function} fn Passed the created element and returns a boolean result
897
 */
898
function assert( fn ) {
899
    var el = document.createElement("fieldset");
900
901
    try {
902
        return !!fn( el );
903
    } catch (e) {
904
        return false;
905
    } finally {
906
        // Remove from its parent by default
907
        if ( el.parentNode ) {
908
            el.parentNode.removeChild( el );
909
        }
910
        // release memory in IE
911
        el = null;
912
    }
913
}
914
915
/**
916
 * Adds the same handler for all of the specified attrs
917
 * @param {String} attrs Pipe-separated list of attributes
918
 * @param {Function} handler The method that will be applied
919
 */
920
function addHandle( attrs, handler ) {
921
    var arr = attrs.split("|"),
922
        i = arr.length;
923
924
    while ( i-- ) {
925
        Expr.attrHandle[ arr[i] ] = handler;
926
    }
927
}
928
929
/**
930
 * Checks document order of two siblings
931
 * @param {Element} a
932
 * @param {Element} b
933
 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
934
 */
935
function siblingCheck( a, b ) {
936
    var cur = b && a,
937
        diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
938
            a.sourceIndex - b.sourceIndex;
939
940
    // Use IE sourceIndex if available on both nodes
941
    if ( diff ) {
942
        return diff;
943
    }
944
945
    // Check if b follows a
946
    if ( cur ) {
947
        while ( (cur = cur.nextSibling) ) {
948
            if ( cur === b ) {
949
                return -1;
950
            }
951
        }
952
    }
953
954
    return a ? 1 : -1;
955
}
956
957
/**
958
 * Returns a function to use in pseudos for input types
959
 * @param {String} type
960
 */
961
function createInputPseudo( type ) {
962
    return function( elem ) {
963
        var name = elem.nodeName.toLowerCase();
964
        return name === "input" && elem.type === type;
965
    };
966
}
967
968
/**
969
 * Returns a function to use in pseudos for buttons
970
 * @param {String} type
971
 */
972
function createButtonPseudo( type ) {
973
    return function( elem ) {
974
        var name = elem.nodeName.toLowerCase();
975
        return (name === "input" || name === "button") && elem.type === type;
976
    };
977
}
978
979
/**
980
 * Returns a function to use in pseudos for :enabled/:disabled
981
 * @param {Boolean} disabled true for :disabled; false for :enabled
982
 */
983
function createDisabledPseudo( disabled ) {
984
985
    // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
986
    return function( elem ) {
987
988
        // Only certain elements can match :enabled or :disabled
989
        // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
990
        // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
991
        if ( "form" in elem ) {
992
993
            // Check for inherited disabledness on relevant non-disabled elements:
994
            // * listed form-associated elements in a disabled fieldset
995
            //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
996
            //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
997
            // * option elements in a disabled optgroup
998
            //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
999
            // All such elements have a "form" property.
1000
            if ( elem.parentNode && elem.disabled === false ) {
1001
1002
                // Option elements defer to a parent optgroup if present
1003
                if ( "label" in elem ) {
1004
                    if ( "label" in elem.parentNode ) {
1005
                        return elem.parentNode.disabled === disabled;
1006
                    } else {
1007
                        return elem.disabled === disabled;
1008
                    }
1009
                }
1010
1011
                // Support: IE 6 - 11
1012
                // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1013
                return elem.isDisabled === disabled ||
1014
1015
                    // Where there is no isDisabled, check manually
1016
                    /* jshint -W018 */
1017
                    elem.isDisabled !== !disabled &&
1018
                        inDisabledFieldset( elem ) === disabled;
1019
            }
1020
1021
            return elem.disabled === disabled;
1022
1023
        // Try to winnow out elements that can't be disabled before trusting the disabled property.
1024
        // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1025
        // even exist on them, let alone have a boolean value.
1026
        } else if ( "label" in elem ) {
1027
            return elem.disabled === disabled;
1028
        }
1029
1030
        // Remaining elements are neither :enabled nor :disabled
1031
        return false;
1032
    };
1033
}
1034
1035
/**
1036
 * Returns a function to use in pseudos for positionals
1037
 * @param {Function} fn
1038
 */
1039
function createPositionalPseudo( fn ) {
1040
    return markFunction(function( argument ) {
1041
        argument = +argument;
1042
        return markFunction(function( seed, matches ) {
1043
            var j,
1044
                matchIndexes = fn( [], seed.length, argument ),
1045
                i = matchIndexes.length;
1046
1047
            // Match elements found at the specified indexes
1048
            while ( i-- ) {
1049
                if ( seed[ (j = matchIndexes[i]) ] ) {
1050
                    seed[j] = !(matches[j] = seed[j]);
1051
                }
1052
            }
1053
        });
1054
    });
1055
}
1056
1057
/**
1058
 * Checks a node for validity as a Sizzle context
1059
 * @param {Element|Object=} context
1060
 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1061
 */
1062
function testContext( context ) {
1063
    return context && typeof context.getElementsByTagName !== "undefined" && context;
1064
}
1065
1066
// Expose support vars for convenience
1067
support = Sizzle.support = {};
1068
1069
/**
1070
 * Detects XML nodes
1071
 * @param {Element|Object} elem An element or a document
1072
 * @returns {Boolean} True iff elem is a non-HTML XML node
1073
 */
1074
isXML = Sizzle.isXML = function( elem ) {
1075
    var namespace = elem.namespaceURI,
1076
        docElem = (elem.ownerDocument || elem).documentElement;
1077
1078
    // Support: IE <=8
1079
    // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1080
    // https://bugs.jquery.com/ticket/4833
1081
    return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1082
};
1083
1084
/**
1085
 * Sets document-related variables once based on the current document
1086
 * @param {Element|Object} [doc] An element or document object to use to set the document
1087
 * @returns {Object} Returns the current document
1088
 */
1089
setDocument = Sizzle.setDocument = function( node ) {
1090
    var hasCompare, subWindow,
1091
        doc = node ? node.ownerDocument || node : preferredDoc;
1092
1093
    // Return early if doc is invalid or already selected
1094
    if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1095
        return document;
1096
    }
1097
1098
    // Update global variables
1099
    document = doc;
1100
    docElem = document.documentElement;
1101
    documentIsHTML = !isXML( document );
1102
1103
    // Support: IE 9-11, Edge
1104
    // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1105
    if ( preferredDoc !== document &&
1106
        (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1107
1108
        // Support: IE 11, Edge
1109
        if ( subWindow.addEventListener ) {
1110
            subWindow.addEventListener( "unload", unloadHandler, false );
1111
1112
        // Support: IE 9 - 10 only
1113
        } else if ( subWindow.attachEvent ) {
1114
            subWindow.attachEvent( "onunload", unloadHandler );
1115
        }
1116
    }
1117
1118
    /* Attributes
1119
    ---------------------------------------------------------------------- */
1120
1121
    // Support: IE<8
1122
    // Verify that getAttribute really returns attributes and not properties
1123
    // (excepting IE8 booleans)
1124
    support.attributes = assert(function( el ) {
1125
        el.className = "i";
1126
        return !el.getAttribute("className");
1127
    });
1128
1129
    /* getElement(s)By*
1130
    ---------------------------------------------------------------------- */
1131
1132
    // Check if getElementsByTagName("*") returns only elements
1133
    support.getElementsByTagName = assert(function( el ) {
1134
        el.appendChild( document.createComment("") );
1135
        return !el.getElementsByTagName("*").length;
1136
    });
1137
1138
    // Support: IE<9
1139
    support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1140
1141
    // Support: IE<10
1142
    // Check if getElementById returns elements by name
1143
    // The broken getElementById methods don't pick up programmatically-set names,
1144
    // so use a roundabout getElementsByName test
1145
    support.getById = assert(function( el ) {
1146
        docElem.appendChild( el ).id = expando;
1147
        return !document.getElementsByName || !document.getElementsByName( expando ).length;
1148
    });
1149
1150
    // ID filter and find
1151
    if ( support.getById ) {
1152
        Expr.filter["ID"] = function( id ) {
1153
            var attrId = id.replace( runescape, funescape );
1154
            return function( elem ) {
1155
                return elem.getAttribute("id") === attrId;
1156
            };
1157
        };
1158
        Expr.find["ID"] = function( id, context ) {
1159
            if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1160
                var elem = context.getElementById( id );
1161
                return elem ? [ elem ] : [];
1162
            }
1163
        };
1164
    } else {
1165
        Expr.filter["ID"] =  function( id ) {
1166
            var attrId = id.replace( runescape, funescape );
1167
            return function( elem ) {
1168
                var node = typeof elem.getAttributeNode !== "undefined" &&
1169
                    elem.getAttributeNode("id");
1170
                return node && node.value === attrId;
1171
            };
1172
        };
1173
1174
        // Support: IE 6 - 7 only
1175
        // getElementById is not reliable as a find shortcut
1176
        Expr.find["ID"] = function( id, context ) {
1177
            if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1178
                var node, i, elems,
1179
                    elem = context.getElementById( id );
1180
1181
                if ( elem ) {
1182
1183
                    // Verify the id attribute
1184
                    node = elem.getAttributeNode("id");
1185
                    if ( node && node.value === id ) {
1186
                        return [ elem ];
1187
                    }
1188
1189
                    // Fall back on getElementsByName
1190
                    elems = context.getElementsByName( id );
1191
                    i = 0;
1192
                    while ( (elem = elems[i++]) ) {
1193
                        node = elem.getAttributeNode("id");
1194
                        if ( node && node.value === id ) {
1195
                            return [ elem ];
1196
                        }
1197
                    }
1198
                }
1199
1200
                return [];
1201
            }
1202
        };
1203
    }
1204
1205
    // Tag
1206
    Expr.find["TAG"] = support.getElementsByTagName ?
1207
        function( tag, context ) {
1208
            if ( typeof context.getElementsByTagName !== "undefined" ) {
1209
                return context.getElementsByTagName( tag );
1210
1211
            // DocumentFragment nodes don't have gEBTN
1212
            } else if ( support.qsa ) {
1213
                return context.querySelectorAll( tag );
1214
            }
1215
        } :
1216
1217
        function( tag, context ) {
1218
            var elem,
1219
                tmp = [],
1220
                i = 0,
1221
                // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1222
                results = context.getElementsByTagName( tag );
1223
1224
            // Filter out possible comments
1225
            if ( tag === "*" ) {
1226
                while ( (elem = results[i++]) ) {
1227
                    if ( elem.nodeType === 1 ) {
1228
                        tmp.push( elem );
1229
                    }
1230
                }
1231
1232
                return tmp;
1233
            }
1234
            return results;
1235
        };
1236
1237
    // Class
1238
    Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1239
        if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1240
            return context.getElementsByClassName( className );
1241
        }
1242
    };
1243
1244
    /* QSA/matchesSelector
1245
    ---------------------------------------------------------------------- */
1246
1247
    // QSA and matchesSelector support
1248
1249
    // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1250
    rbuggyMatches = [];
1251
1252
    // qSa(:focus) reports false when true (Chrome 21)
1253
    // We allow this because of a bug in IE8/9 that throws an error
1254
    // whenever `document.activeElement` is accessed on an iframe
1255
    // So, we allow :focus to pass through QSA all the time to avoid the IE error
1256
    // See https://bugs.jquery.com/ticket/13378
1257
    rbuggyQSA = [];
1258
1259
    if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1260
        // Build QSA regex
1261
        // Regex strategy adopted from Diego Perini
1262
        assert(function( el ) {
1263
            // Select is set to empty string on purpose
1264
            // This is to test IE's treatment of not explicitly
1265
            // setting a boolean content attribute,
1266
            // since its presence should be enough
1267
            // https://bugs.jquery.com/ticket/12359
1268
            docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1269
                "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1270
                "<option selected=''></option></select>";
1271
1272
            // Support: IE8, Opera 11-12.16
1273
            // Nothing should be selected when empty strings follow ^= or $= or *=
1274
            // The test attribute must be unknown in Opera but "safe" for WinRT
1275
            // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1276
            if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1277
                rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1278
            }
1279
1280
            // Support: IE8
1281
            // Boolean attributes and "value" are not treated correctly
1282
            if ( !el.querySelectorAll("[selected]").length ) {
1283
                rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1284
            }
1285
1286
            // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1287
            if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1288
                rbuggyQSA.push("~=");
1289
            }
1290
1291
            // Webkit/Opera - :checked should return selected option elements
1292
            // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1293
            // IE8 throws error here and will not see later tests
1294
            if ( !el.querySelectorAll(":checked").length ) {
1295
                rbuggyQSA.push(":checked");
1296
            }
1297
1298
            // Support: Safari 8+, iOS 8+
1299
            // https://bugs.webkit.org/show_bug.cgi?id=136851
1300
            // In-page `selector#id sibling-combinator selector` fails
1301
            if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1302
                rbuggyQSA.push(".#.+[+~]");
1303
            }
1304
        });
1305
1306
        assert(function( el ) {
1307
            el.innerHTML = "<a href='' disabled='disabled'></a>" +
1308
                "<select disabled='disabled'><option/></select>";
1309
1310
            // Support: Windows 8 Native Apps
1311
            // The type and name attributes are restricted during .innerHTML assignment
1312
            var input = document.createElement("input");
1313
            input.setAttribute( "type", "hidden" );
1314
            el.appendChild( input ).setAttribute( "name", "D" );
1315
1316
            // Support: IE8
1317
            // Enforce case-sensitivity of name attribute
1318
            if ( el.querySelectorAll("[name=d]").length ) {
1319
                rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1320
            }
1321
1322
            // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1323
            // IE8 throws error here and will not see later tests
1324
            if ( el.querySelectorAll(":enabled").length !== 2 ) {
1325
                rbuggyQSA.push( ":enabled", ":disabled" );
1326
            }
1327
1328
            // Support: IE9-11+
1329
            // IE's :disabled selector does not pick up the children of disabled fieldsets
1330
            docElem.appendChild( el ).disabled = true;
1331
            if ( el.querySelectorAll(":disabled").length !== 2 ) {
1332
                rbuggyQSA.push( ":enabled", ":disabled" );
1333
            }
1334
1335
            // Opera 10-11 does not throw on post-comma invalid pseudos
1336
            el.querySelectorAll("*,:x");
1337
            rbuggyQSA.push(",.*:");
1338
        });
1339
    }
1340
1341
    if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1342
        docElem.webkitMatchesSelector ||
1343
        docElem.mozMatchesSelector ||
1344
        docElem.oMatchesSelector ||
1345
        docElem.msMatchesSelector) )) ) {
1346
1347
        assert(function( el ) {
1348
            // Check to see if it's possible to do matchesSelector
1349
            // on a disconnected node (IE 9)
1350
            support.disconnectedMatch = matches.call( el, "*" );
1351
1352
            // This should fail with an exception
1353
            // Gecko does not error, returns false instead
1354
            matches.call( el, "[s!='']:x" );
1355
            rbuggyMatches.push( "!=", pseudos );
1356
        });
1357
    }
1358
1359
    rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1360
    rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1361
1362
    /* Contains
1363
    ---------------------------------------------------------------------- */
1364
    hasCompare = rnative.test( docElem.compareDocumentPosition );
1365
1366
    // Element contains another
1367
    // Purposefully self-exclusive
1368
    // As in, an element does not contain itself
1369
    contains = hasCompare || rnative.test( docElem.contains ) ?
1370
        function( a, b ) {
1371
            var adown = a.nodeType === 9 ? a.documentElement : a,
1372
                bup = b && b.parentNode;
1373
            return a === bup || !!( bup && bup.nodeType === 1 && (
1374
                adown.contains ?
1375
                    adown.contains( bup ) :
1376
                    a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1377
            ));
1378
        } :
1379
        function( a, b ) {
1380
            if ( b ) {
1381
                while ( (b = b.parentNode) ) {
1382
                    if ( b === a ) {
1383
                        return true;
1384
                    }
1385
                }
1386
            }
1387
            return false;
1388
        };
1389
1390
    /* Sorting
1391
    ---------------------------------------------------------------------- */
1392
1393
    // Document order sorting
1394
    sortOrder = hasCompare ?
1395
    function( a, b ) {
1396
1397
        // Flag for duplicate removal
1398
        if ( a === b ) {
1399
            hasDuplicate = true;
1400
            return 0;
1401
        }
1402
1403
        // Sort on method existence if only one input has compareDocumentPosition
1404
        var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1405
        if ( compare ) {
1406
            return compare;
1407
        }
1408
1409
        // Calculate position if both inputs belong to the same document
1410
        compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1411
            a.compareDocumentPosition( b ) :
1412
1413
            // Otherwise we know they are disconnected
1414
            1;
1415
1416
        // Disconnected nodes
1417
        if ( compare & 1 ||
1418
            (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1419
1420
            // Choose the first element that is related to our preferred document
1421
            if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1422
                return -1;
1423
            }
1424
            if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1425
                return 1;
1426
            }
1427
1428
            // Maintain original order
1429
            return sortInput ?
1430
                ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1431
                0;
1432
        }
1433
1434
        return compare & 4 ? -1 : 1;
1435
    } :
1436
    function( a, b ) {
1437
        // Exit early if the nodes are identical
1438
        if ( a === b ) {
1439
            hasDuplicate = true;
1440
            return 0;
1441
        }
1442
1443
        var cur,
1444
            i = 0,
1445
            aup = a.parentNode,
1446
            bup = b.parentNode,
1447
            ap = [ a ],
1448
            bp = [ b ];
1449
1450
        // Parentless nodes are either documents or disconnected
1451
        if ( !aup || !bup ) {
1452
            return a === document ? -1 :
1453
                b === document ? 1 :
1454
                aup ? -1 :
1455
                bup ? 1 :
1456
                sortInput ?
1457
                ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1458
                0;
1459
1460
        // If the nodes are siblings, we can do a quick check
1461
        } else if ( aup === bup ) {
1462
            return siblingCheck( a, b );
1463
        }
1464
1465
        // Otherwise we need full lists of their ancestors for comparison
1466
        cur = a;
1467
        while ( (cur = cur.parentNode) ) {
1468
            ap.unshift( cur );
1469
        }
1470
        cur = b;
1471
        while ( (cur = cur.parentNode) ) {
1472
            bp.unshift( cur );
1473
        }
1474
1475
        // Walk down the tree looking for a discrepancy
1476
        while ( ap[i] === bp[i] ) {
1477
            i++;
1478
        }
1479
1480
        return i ?
1481
            // Do a sibling check if the nodes have a common ancestor
1482
            siblingCheck( ap[i], bp[i] ) :
1483
1484
            // Otherwise nodes in our document sort first
1485
            ap[i] === preferredDoc ? -1 :
1486
            bp[i] === preferredDoc ? 1 :
1487
            0;
1488
    };
1489
1490
    return document;
1491
};
1492
1493
Sizzle.matches = function( expr, elements ) {
1494
    return Sizzle( expr, null, null, elements );
1495
};
1496
1497
Sizzle.matchesSelector = function( elem, expr ) {
1498
    // Set document vars if needed
1499
    if ( ( elem.ownerDocument || elem ) !== document ) {
1500
        setDocument( elem );
1501
    }
1502
1503
    if ( support.matchesSelector && documentIsHTML &&
1504
        !nonnativeSelectorCache[ expr + " " ] &&
1505
        ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1506
        ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1507
1508
        try {
1509
            var ret = matches.call( elem, expr );
1510
1511
            // IE 9's matchesSelector returns false on disconnected nodes
1512
            if ( ret || support.disconnectedMatch ||
1513
                    // As well, disconnected nodes are said to be in a document
1514
                    // fragment in IE 9
1515
                    elem.document && elem.document.nodeType !== 11 ) {
1516
                return ret;
1517
            }
1518
        } catch (e) {
1519
            nonnativeSelectorCache( expr, true );
1520
        }
1521
    }
1522
1523
    return Sizzle( expr, document, null, [ elem ] ).length > 0;
1524
};
1525
1526
Sizzle.contains = function( context, elem ) {
1527
    // Set document vars if needed
1528
    if ( ( context.ownerDocument || context ) !== document ) {
1529
        setDocument( context );
1530
    }
1531
    return contains( context, elem );
1532
};
1533
1534
Sizzle.attr = function( elem, name ) {
1535
    // Set document vars if needed
1536
    if ( ( elem.ownerDocument || elem ) !== document ) {
1537
        setDocument( elem );
1538
    }
1539
1540
    var fn = Expr.attrHandle[ name.toLowerCase() ],
1541
        // Don't get fooled by Object.prototype properties (jQuery #13807)
1542
        val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1543
            fn( elem, name, !documentIsHTML ) :
1544
            undefined;
1545
1546
    return val !== undefined ?
1547
        val :
1548
        support.attributes || !documentIsHTML ?
1549
            elem.getAttribute( name ) :
1550
            (val = elem.getAttributeNode(name)) && val.specified ?
1551
                val.value :
1552
                null;
1553
};
1554
1555
Sizzle.escape = function( sel ) {
1556
    return (sel + "").replace( rcssescape, fcssescape );
1557
};
1558
1559
Sizzle.error = function( msg ) {
1560
    throw new Error( "Syntax error, unrecognized expression: " + msg );
1561
};
1562
1563
/**
1564
 * Document sorting and removing duplicates
1565
 * @param {ArrayLike} results
1566
 */
1567
Sizzle.uniqueSort = function( results ) {
1568
    var elem,
1569
        duplicates = [],
1570
        j = 0,
1571
        i = 0;
1572
1573
    // Unless we *know* we can detect duplicates, assume their presence
1574
    hasDuplicate = !support.detectDuplicates;
1575
    sortInput = !support.sortStable && results.slice( 0 );
1576
    results.sort( sortOrder );
1577
1578
    if ( hasDuplicate ) {
1579
        while ( (elem = results[i++]) ) {
1580
            if ( elem === results[ i ] ) {
1581
                j = duplicates.push( i );
1582
            }
1583
        }
1584
        while ( j-- ) {
1585
            results.splice( duplicates[ j ], 1 );
1586
        }
1587
    }
1588
1589
    // Clear input after sorting to release objects
1590
    // See https://github.com/jquery/sizzle/pull/225
1591
    sortInput = null;
1592
1593
    return results;
1594
};
1595
1596
/**
1597
 * Utility function for retrieving the text value of an array of DOM nodes
1598
 * @param {Array|Element} elem
1599
 */
1600
getText = Sizzle.getText = function( elem ) {
1601
    var node,
1602
        ret = "",
1603
        i = 0,
1604
        nodeType = elem.nodeType;
1605
1606
    if ( !nodeType ) {
1607
        // If no nodeType, this is expected to be an array
1608
        while ( (node = elem[i++]) ) {
1609
            // Do not traverse comment nodes
1610
            ret += getText( node );
1611
        }
1612
    } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1613
        // Use textContent for elements
1614
        // innerText usage removed for consistency of new lines (jQuery #11153)
1615
        if ( typeof elem.textContent === "string" ) {
1616
            return elem.textContent;
1617
        } else {
1618
            // Traverse its children
1619
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1620
                ret += getText( elem );
1621
            }
1622
        }
1623
    } else if ( nodeType === 3 || nodeType === 4 ) {
1624
        return elem.nodeValue;
1625
    }
1626
    // Do not include comment or processing instruction nodes
1627
1628
    return ret;
1629
};
1630
1631
Expr = Sizzle.selectors = {
1632
1633
    // Can be adjusted by the user
1634
    cacheLength: 50,
1635
1636
    createPseudo: markFunction,
1637
1638
    match: matchExpr,
1639
1640
    attrHandle: {},
1641
1642
    find: {},
1643
1644
    relative: {
1645
        ">": { dir: "parentNode", first: true },
1646
        " ": { dir: "parentNode" },
1647
        "+": { dir: "previousSibling", first: true },
1648
        "~": { dir: "previousSibling" }
1649
    },
1650
1651
    preFilter: {
1652
        "ATTR": function( match ) {
1653
            match[1] = match[1].replace( runescape, funescape );
1654
1655
            // Move the given value to match[3] whether quoted or unquoted
1656
            match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1657
1658
            if ( match[2] === "~=" ) {
1659
                match[3] = " " + match[3] + " ";
1660
            }
1661
1662
            return match.slice( 0, 4 );
1663
        },
1664
1665
        "CHILD": function( match ) {
1666
            /* matches from matchExpr["CHILD"]
1667
                1 type (only|nth|...)
1668
                2 what (child|of-type)
1669
                3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1670
                4 xn-component of xn+y argument ([+-]?\d*n|)
1671
                5 sign of xn-component
1672
                6 x of xn-component
1673
                7 sign of y-component
1674
                8 y of y-component
1675
            */
1676
            match[1] = match[1].toLowerCase();
1677
1678
            if ( match[1].slice( 0, 3 ) === "nth" ) {
1679
                // nth-* requires argument
1680
                if ( !match[3] ) {
1681
                    Sizzle.error( match[0] );
1682
                }
1683
1684
                // numeric x and y parameters for Expr.filter.CHILD
1685
                // remember that false/true cast respectively to 0/1
1686
                match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1687
                match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1688
1689
            // other types prohibit arguments
1690
            } else if ( match[3] ) {
1691
                Sizzle.error( match[0] );
1692
            }
1693
1694
            return match;
1695
        },
1696
1697
        "PSEUDO": function( match ) {
1698
            var excess,
1699
                unquoted = !match[6] && match[2];
1700
1701
            if ( matchExpr["CHILD"].test( match[0] ) ) {
1702
                return null;
1703
            }
1704
1705
            // Accept quoted arguments as-is
1706
            if ( match[3] ) {
1707
                match[2] = match[4] || match[5] || "";
1708
1709
            // Strip excess characters from unquoted arguments
1710
            } else if ( unquoted && rpseudo.test( unquoted ) &&
1711
                // Get excess from tokenize (recursively)
1712
                (excess = tokenize( unquoted, true )) &&
1713
                // advance to the next closing parenthesis
1714
                (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1715
1716
                // excess is a negative index
1717
                match[0] = match[0].slice( 0, excess );
1718
                match[2] = unquoted.slice( 0, excess );
1719
            }
1720
1721
            // Return only captures needed by the pseudo filter method (type and argument)
1722
            return match.slice( 0, 3 );
1723
        }
1724
    },
1725
1726
    filter: {
1727
1728
        "TAG": function( nodeNameSelector ) {
1729
            var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1730
            return nodeNameSelector === "*" ?
1731
                function() { return true; } :
1732
                function( elem ) {
1733
                    return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1734
                };
1735
        },
1736
1737
        "CLASS": function( className ) {
1738
            var pattern = classCache[ className + " " ];
1739
1740
            return pattern ||
1741
                (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1742
                classCache( className, function( elem ) {
1743
                    return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1744
                });
1745
        },
1746
1747
        "ATTR": function( name, operator, check ) {
1748
            return function( elem ) {
1749
                var result = Sizzle.attr( elem, name );
1750
1751
                if ( result == null ) {
1752
                    return operator === "!=";
1753
                }
1754
                if ( !operator ) {
1755
                    return true;
1756
                }
1757
1758
                result += "";
1759
1760
                return operator === "=" ? result === check :
1761
                    operator === "!=" ? result !== check :
1762
                    operator === "^=" ? check && result.indexOf( check ) === 0 :
1763
                    operator === "*=" ? check && result.indexOf( check ) > -1 :
1764
                    operator === "$=" ? check && result.slice( -check.length ) === check :
1765
                    operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1766
                    operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1767
                    false;
1768
            };
1769
        },
1770
1771
        "CHILD": function( type, what, argument, first, last ) {
1772
            var simple = type.slice( 0, 3 ) !== "nth",
1773
                forward = type.slice( -4 ) !== "last",
1774
                ofType = what === "of-type";
1775
1776
            return first === 1 && last === 0 ?
1777
1778
                // Shortcut for :nth-*(n)
1779
                function( elem ) {
1780
                    return !!elem.parentNode;
1781
                } :
1782
1783
                function( elem, context, xml ) {
1784
                    var cache, uniqueCache, outerCache, node, nodeIndex, start,
1785
                        dir = simple !== forward ? "nextSibling" : "previousSibling",
1786
                        parent = elem.parentNode,
1787
                        name = ofType && elem.nodeName.toLowerCase(),
1788
                        useCache = !xml && !ofType,
1789
                        diff = false;
1790
1791
                    if ( parent ) {
1792
1793
                        // :(first|last|only)-(child|of-type)
1794
                        if ( simple ) {
1795
                            while ( dir ) {
1796
                                node = elem;
1797
                                while ( (node = node[ dir ]) ) {
1798
                                    if ( ofType ?
1799
                                        node.nodeName.toLowerCase() === name :
1800
                                        node.nodeType === 1 ) {
1801
1802
                                        return false;
1803
                                    }
1804
                                }
1805
                                // Reverse direction for :only-* (if we haven't yet done so)
1806
                                start = dir = type === "only" && !start && "nextSibling";
1807
                            }
1808
                            return true;
1809
                        }
1810
1811
                        start = [ forward ? parent.firstChild : parent.lastChild ];
1812
1813
                        // non-xml :nth-child(...) stores cache data on `parent`
1814
                        if ( forward && useCache ) {
1815
1816
                            // Seek `elem` from a previously-cached index
1817
1818
                            // ...in a gzip-friendly way
1819
                            node = parent;
1820
                            outerCache = node[ expando ] || (node[ expando ] = {});
1821
1822
                            // Support: IE <9 only
1823
                            // Defend against cloned attroperties (jQuery gh-1709)
1824
                            uniqueCache = outerCache[ node.uniqueID ] ||
1825
                                (outerCache[ node.uniqueID ] = {});
1826
1827
                            cache = uniqueCache[ type ] || [];
1828
                            nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1829
                            diff = nodeIndex && cache[ 2 ];
1830
                            node = nodeIndex && parent.childNodes[ nodeIndex ];
1831
1832
                            while ( (node = ++nodeIndex && node && node[ dir ] ||
1833
1834
                                // Fallback to seeking `elem` from the start
1835
                                (diff = nodeIndex = 0) || start.pop()) ) {
1836
1837
                                // When found, cache indexes on `parent` and break
1838
                                if ( node.nodeType === 1 && ++diff && node === elem ) {
1839
                                    uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1840
                                    break;
1841
                                }
1842
                            }
1843
1844
                        } else {
1845
                            // Use previously-cached element index if available
1846
                            if ( useCache ) {
1847
                                // ...in a gzip-friendly way
1848
                                node = elem;
1849
                                outerCache = node[ expando ] || (node[ expando ] = {});
1850
1851
                                // Support: IE <9 only
1852
                                // Defend against cloned attroperties (jQuery gh-1709)
1853
                                uniqueCache = outerCache[ node.uniqueID ] ||
1854
                                    (outerCache[ node.uniqueID ] = {});
1855
1856
                                cache = uniqueCache[ type ] || [];
1857
                                nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1858
                                diff = nodeIndex;
1859
                            }
1860
1861
                            // xml :nth-child(...)
1862
                            // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1863
                            if ( diff === false ) {
1864
                                // Use the same loop as above to seek `elem` from the start
1865
                                while ( (node = ++nodeIndex && node && node[ dir ] ||
1866
                                    (diff = nodeIndex = 0) || start.pop()) ) {
1867
1868
                                    if ( ( ofType ?
1869
                                        node.nodeName.toLowerCase() === name :
1870
                                        node.nodeType === 1 ) &&
1871
                                        ++diff ) {
1872
1873
                                        // Cache the index of each encountered element
1874
                                        if ( useCache ) {
1875
                                            outerCache = node[ expando ] || (node[ expando ] = {});
1876
1877
                                            // Support: IE <9 only
1878
                                            // Defend against cloned attroperties (jQuery gh-1709)
1879
                                            uniqueCache = outerCache[ node.uniqueID ] ||
1880
                                                (outerCache[ node.uniqueID ] = {});
1881
1882
                                            uniqueCache[ type ] = [ dirruns, diff ];
1883
                                        }
1884
1885
                                        if ( node === elem ) {
1886
                                            break;
1887
                                        }
1888
                                    }
1889
                                }
1890
                            }
1891
                        }
1892
1893
                        // Incorporate the offset, then check against cycle size
1894
                        diff -= last;
1895
                        return diff === first || ( diff % first === 0 && diff / first >= 0 );
1896
                    }
1897
                };
1898
        },
1899
1900
        "PSEUDO": function( pseudo, argument ) {
1901
            // pseudo-class names are case-insensitive
1902
            // http://www.w3.org/TR/selectors/#pseudo-classes
1903
            // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1904
            // Remember that setFilters inherits from pseudos
1905
            var args,
1906
                fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1907
                    Sizzle.error( "unsupported pseudo: " + pseudo );
1908
1909
            // The user may use createPseudo to indicate that
1910
            // arguments are needed to create the filter function
1911
            // just as Sizzle does
1912
            if ( fn[ expando ] ) {
1913
                return fn( argument );
1914
            }
1915
1916
            // But maintain support for old signatures
1917
            if ( fn.length > 1 ) {
1918
                args = [ pseudo, pseudo, "", argument ];
1919
                return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1920
                    markFunction(function( seed, matches ) {
1921
                        var idx,
1922
                            matched = fn( seed, argument ),
1923
                            i = matched.length;
1924
                        while ( i-- ) {
1925
                            idx = indexOf( seed, matched[i] );
1926
                            seed[ idx ] = !( matches[ idx ] = matched[i] );
1927
                        }
1928
                    }) :
1929
                    function( elem ) {
1930
                        return fn( elem, 0, args );
1931
                    };
1932
            }
1933
1934
            return fn;
1935
        }
1936
    },
1937
1938
    pseudos: {
1939
        // Potentially complex pseudos
1940
        "not": markFunction(function( selector ) {
1941
            // Trim the selector passed to compile
1942
            // to avoid treating leading and trailing
1943
            // spaces as combinators
1944
            var input = [],
1945
                results = [],
1946
                matcher = compile( selector.replace( rtrim, "$1" ) );
1947
1948
            return matcher[ expando ] ?
1949
                markFunction(function( seed, matches, context, xml ) {
1950
                    var elem,
1951
                        unmatched = matcher( seed, null, xml, [] ),
1952
                        i = seed.length;
1953
1954
                    // Match elements unmatched by `matcher`
1955
                    while ( i-- ) {
1956
                        if ( (elem = unmatched[i]) ) {
1957
                            seed[i] = !(matches[i] = elem);
1958
                        }
1959
                    }
1960
                }) :
1961
                function( elem, context, xml ) {
1962
                    input[0] = elem;
1963
                    matcher( input, null, xml, results );
1964
                    // Don't keep the element (issue #299)
1965
                    input[0] = null;
1966
                    return !results.pop();
1967
                };
1968
        }),
1969
1970
        "has": markFunction(function( selector ) {
1971
            return function( elem ) {
1972
                return Sizzle( selector, elem ).length > 0;
1973
            };
1974
        }),
1975
1976
        "contains": markFunction(function( text ) {
1977
            text = text.replace( runescape, funescape );
1978
            return function( elem ) {
1979
                return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
1980
            };
1981
        }),
1982
1983
        // "Whether an element is represented by a :lang() selector
1984
        // is based solely on the element's language value
1985
        // being equal to the identifier C,
1986
        // or beginning with the identifier C immediately followed by "-".
1987
        // The matching of C against the element's language value is performed case-insensitively.
1988
        // The identifier C does not have to be a valid language name."
1989
        // http://www.w3.org/TR/selectors/#lang-pseudo
1990
        "lang": markFunction( function( lang ) {
1991
            // lang value must be a valid identifier
1992
            if ( !ridentifier.test(lang || "") ) {
1993
                Sizzle.error( "unsupported lang: " + lang );
1994
            }
1995
            lang = lang.replace( runescape, funescape ).toLowerCase();
1996
            return function( elem ) {
1997
                var elemLang;
1998
                do {
1999
                    if ( (elemLang = documentIsHTML ?
2000
                        elem.lang :
2001
                        elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2002
2003
                        elemLang = elemLang.toLowerCase();
2004
                        return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2005
                    }
2006
                } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2007
                return false;
2008
            };
2009
        }),
2010
2011
        // Miscellaneous
2012
        "target": function( elem ) {
2013
            var hash = window.location && window.location.hash;
2014
            return hash && hash.slice( 1 ) === elem.id;
2015
        },
2016
2017
        "root": function( elem ) {
2018
            return elem === docElem;
2019
        },
2020
2021
        "focus": function( elem ) {
2022
            return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2023
        },
2024
2025
        // Boolean properties
2026
        "enabled": createDisabledPseudo( false ),
2027
        "disabled": createDisabledPseudo( true ),
2028
2029
        "checked": function( elem ) {
2030
            // In CSS3, :checked should return both checked and selected elements
2031
            // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2032
            var nodeName = elem.nodeName.toLowerCase();
2033
            return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2034
        },
2035
2036
        "selected": function( elem ) {
2037
            // Accessing this property makes selected-by-default
2038
            // options in Safari work properly
2039
            if ( elem.parentNode ) {
2040
                elem.parentNode.selectedIndex;
2041
            }
2042
2043
            return elem.selected === true;
2044
        },
2045
2046
        // Contents
2047
        "empty": function( elem ) {
2048
            // http://www.w3.org/TR/selectors/#empty-pseudo
2049
            // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2050
            //   but not by others (comment: 8; processing instruction: 7; etc.)
2051
            // nodeType < 6 works because attributes (2) do not appear as children
2052
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2053
                if ( elem.nodeType < 6 ) {
2054
                    return false;
2055
                }
2056
            }
2057
            return true;
2058
        },
2059
2060
        "parent": function( elem ) {
2061
            return !Expr.pseudos["empty"]( elem );
2062
        },
2063
2064
        // Element/input types
2065
        "header": function( elem ) {
2066
            return rheader.test( elem.nodeName );
2067
        },
2068
2069
        "input": function( elem ) {
2070
            return rinputs.test( elem.nodeName );
2071
        },
2072
2073
        "button": function( elem ) {
2074
            var name = elem.nodeName.toLowerCase();
2075
            return name === "input" && elem.type === "button" || name === "button";
2076
        },
2077
2078
        "text": function( elem ) {
2079
            var attr;
2080
            return elem.nodeName.toLowerCase() === "input" &&
2081
                elem.type === "text" &&
2082
2083
                // Support: IE<8
2084
                // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2085
                ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2086
        },
2087
2088
        // Position-in-collection
2089
        "first": createPositionalPseudo(function() {
2090
            return [ 0 ];
2091
        }),
2092
2093
        "last": createPositionalPseudo(function( matchIndexes, length ) {
2094
            return [ length - 1 ];
2095
        }),
2096
2097
        "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2098
            return [ argument < 0 ? argument + length : argument ];
2099
        }),
2100
2101
        "even": createPositionalPseudo(function( matchIndexes, length ) {
2102
            var i = 0;
2103
            for ( ; i < length; i += 2 ) {
2104
                matchIndexes.push( i );
2105
            }
2106
            return matchIndexes;
2107
        }),
2108
2109
        "odd": createPositionalPseudo(function( matchIndexes, length ) {
2110
            var i = 1;
2111
            for ( ; i < length; i += 2 ) {
2112
                matchIndexes.push( i );
2113
            }
2114
            return matchIndexes;
2115
        }),
2116
2117
        "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2118
            var i = argument < 0 ?
2119
                argument + length :
2120
                argument > length ?
2121
                    length :
2122
                    argument;
2123
            for ( ; --i >= 0; ) {
2124
                matchIndexes.push( i );
2125
            }
2126
            return matchIndexes;
2127
        }),
2128
2129
        "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2130
            var i = argument < 0 ? argument + length : argument;
2131
            for ( ; ++i < length; ) {
2132
                matchIndexes.push( i );
2133
            }
2134
            return matchIndexes;
2135
        })
2136
    }
2137
};
2138
2139
Expr.pseudos["nth"] = Expr.pseudos["eq"];
2140
2141
// Add button/input type pseudos
2142
for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2143
    Expr.pseudos[ i ] = createInputPseudo( i );
2144
}
2145
for ( i in { submit: true, reset: true } ) {
2146
    Expr.pseudos[ i ] = createButtonPseudo( i );
2147
}
2148
2149
// Easy API for creating new setFilters
2150
function setFilters() {}
2151
setFilters.prototype = Expr.filters = Expr.pseudos;
2152
Expr.setFilters = new setFilters();
2153
2154
tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2155
    var matched, match, tokens, type,
2156
        soFar, groups, preFilters,
2157
        cached = tokenCache[ selector + " " ];
2158
2159
    if ( cached ) {
2160
        return parseOnly ? 0 : cached.slice( 0 );
2161
    }
2162
2163
    soFar = selector;
2164
    groups = [];
2165
    preFilters = Expr.preFilter;
2166
2167
    while ( soFar ) {
2168
2169
        // Comma and first run
2170
        if ( !matched || (match = rcomma.exec( soFar )) ) {
2171
            if ( match ) {
2172
                // Don't consume trailing commas as valid
2173
                soFar = soFar.slice( match[0].length ) || soFar;
2174
            }
2175
            groups.push( (tokens = []) );
2176
        }
2177
2178
        matched = false;
2179
2180
        // Combinators
2181
        if ( (match = rcombinators.exec( soFar )) ) {
2182
            matched = match.shift();
2183
            tokens.push({
2184
                value: matched,
2185
                // Cast descendant combinators to space
2186
                type: match[0].replace( rtrim, " " )
2187
            });
2188
            soFar = soFar.slice( matched.length );
2189
        }
2190
2191
        // Filters
2192
        for ( type in Expr.filter ) {
2193
            if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2194
                (match = preFilters[ type ]( match ))) ) {
2195
                matched = match.shift();
2196
                tokens.push({
2197
                    value: matched,
2198
                    type: type,
2199
                    matches: match
2200
                });
2201
                soFar = soFar.slice( matched.length );
2202
            }
2203
        }
2204
2205
        if ( !matched ) {
2206
            break;
2207
        }
2208
    }
2209
2210
    // Return the length of the invalid excess
2211
    // if we're just parsing
2212
    // Otherwise, throw an error or return tokens
2213
    return parseOnly ?
2214
        soFar.length :
2215
        soFar ?
2216
            Sizzle.error( selector ) :
2217
            // Cache the tokens
2218
            tokenCache( selector, groups ).slice( 0 );
2219
};
2220
2221
function toSelector( tokens ) {
2222
    var i = 0,
2223
        len = tokens.length,
2224
        selector = "";
2225
    for ( ; i < len; i++ ) {
2226
        selector += tokens[i].value;
2227
    }
2228
    return selector;
2229
}
2230
2231
function addCombinator( matcher, combinator, base ) {
2232
    var dir = combinator.dir,
2233
        skip = combinator.next,
2234
        key = skip || dir,
2235
        checkNonElements = base && key === "parentNode",
2236
        doneName = done++;
2237
2238
    return combinator.first ?
2239
        // Check against closest ancestor/preceding element
2240
        function( elem, context, xml ) {
2241
            while ( (elem = elem[ dir ]) ) {
2242
                if ( elem.nodeType === 1 || checkNonElements ) {
2243
                    return matcher( elem, context, xml );
2244
                }
2245
            }
2246
            return false;
2247
        } :
2248
2249
        // Check against all ancestor/preceding elements
2250
        function( elem, context, xml ) {
2251
            var oldCache, uniqueCache, outerCache,
2252
                newCache = [ dirruns, doneName ];
2253
2254
            // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2255
            if ( xml ) {
2256
                while ( (elem = elem[ dir ]) ) {
2257
                    if ( elem.nodeType === 1 || checkNonElements ) {
2258
                        if ( matcher( elem, context, xml ) ) {
2259
                            return true;
2260
                        }
2261
                    }
2262
                }
2263
            } else {
2264
                while ( (elem = elem[ dir ]) ) {
2265
                    if ( elem.nodeType === 1 || checkNonElements ) {
2266
                        outerCache = elem[ expando ] || (elem[ expando ] = {});
2267
2268
                        // Support: IE <9 only
2269
                        // Defend against cloned attroperties (jQuery gh-1709)
2270
                        uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2271
2272
                        if ( skip && skip === elem.nodeName.toLowerCase() ) {
2273
                            elem = elem[ dir ] || elem;
2274
                        } else if ( (oldCache = uniqueCache[ key ]) &&
2275
                            oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2276
2277
                            // Assign to newCache so results back-propagate to previous elements
2278
                            return (newCache[ 2 ] = oldCache[ 2 ]);
2279
                        } else {
2280
                            // Reuse newcache so results back-propagate to previous elements
2281
                            uniqueCache[ key ] = newCache;
2282
2283
                            // A match means we're done; a fail means we have to keep checking
2284
                            if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2285
                                return true;
2286
                            }
2287
                        }
2288
                    }
2289
                }
2290
            }
2291
            return false;
2292
        };
2293
}
2294
2295
function elementMatcher( matchers ) {
2296
    return matchers.length > 1 ?
2297
        function( elem, context, xml ) {
2298
            var i = matchers.length;
2299
            while ( i-- ) {
2300
                if ( !matchers[i]( elem, context, xml ) ) {
2301
                    return false;
2302
                }
2303
            }
2304
            return true;
2305
        } :
2306
        matchers[0];
2307
}
2308
2309
function multipleContexts( selector, contexts, results ) {
2310
    var i = 0,
2311
        len = contexts.length;
2312
    for ( ; i < len; i++ ) {
2313
        Sizzle( selector, contexts[i], results );
2314
    }
2315
    return results;
2316
}
2317
2318
function condense( unmatched, map, filter, context, xml ) {
2319
    var elem,
2320
        newUnmatched = [],
2321
        i = 0,
2322
        len = unmatched.length,
2323
        mapped = map != null;
2324
2325
    for ( ; i < len; i++ ) {
2326
        if ( (elem = unmatched[i]) ) {
2327
            if ( !filter || filter( elem, context, xml ) ) {
2328
                newUnmatched.push( elem );
2329
                if ( mapped ) {
2330
                    map.push( i );
2331
                }
2332
            }
2333
        }
2334
    }
2335
2336
    return newUnmatched;
2337
}
2338
2339
function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2340
    if ( postFilter && !postFilter[ expando ] ) {
2341
        postFilter = setMatcher( postFilter );
2342
    }
2343
    if ( postFinder && !postFinder[ expando ] ) {
2344
        postFinder = setMatcher( postFinder, postSelector );
2345
    }
2346
    return markFunction(function( seed, results, context, xml ) {
2347
        var temp, i, elem,
2348
            preMap = [],
2349
            postMap = [],
2350
            preexisting = results.length,
2351
2352
            // Get initial elements from seed or context
2353
            elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2354
2355
            // Prefilter to get matcher input, preserving a map for seed-results synchronization
2356
            matcherIn = preFilter && ( seed || !selector ) ?
2357
                condense( elems, preMap, preFilter, context, xml ) :
2358
                elems,
2359
2360
            matcherOut = matcher ?
2361
                // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2362
                postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2363
2364
                    // ...intermediate processing is necessary
2365
                    [] :
2366
2367
                    // ...otherwise use results directly
2368
                    results :
2369
                matcherIn;
2370
2371
        // Find primary matches
2372
        if ( matcher ) {
2373
            matcher( matcherIn, matcherOut, context, xml );
2374
        }
2375
2376
        // Apply postFilter
2377
        if ( postFilter ) {
2378
            temp = condense( matcherOut, postMap );
2379
            postFilter( temp, [], context, xml );
2380
2381
            // Un-match failing elements by moving them back to matcherIn
2382
            i = temp.length;
2383
            while ( i-- ) {
2384
                if ( (elem = temp[i]) ) {
2385
                    matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2386
                }
2387
            }
2388
        }
2389
2390
        if ( seed ) {
2391
            if ( postFinder || preFilter ) {
2392
                if ( postFinder ) {
2393
                    // Get the final matcherOut by condensing this intermediate into postFinder contexts
2394
                    temp = [];
2395
                    i = matcherOut.length;
2396
                    while ( i-- ) {
2397
                        if ( (elem = matcherOut[i]) ) {
2398
                            // Restore matcherIn since elem is not yet a final match
2399
                            temp.push( (matcherIn[i] = elem) );
2400
                        }
2401
                    }
2402
                    postFinder( null, (matcherOut = []), temp, xml );
2403
                }
2404
2405
                // Move matched elements from seed to results to keep them synchronized
2406
                i = matcherOut.length;
2407
                while ( i-- ) {
2408
                    if ( (elem = matcherOut[i]) &&
2409
                        (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2410
2411
                        seed[temp] = !(results[temp] = elem);
2412
                    }
2413
                }
2414
            }
2415
2416
        // Add elements to results, through postFinder if defined
2417
        } else {
2418
            matcherOut = condense(
2419
                matcherOut === results ?
2420
                    matcherOut.splice( preexisting, matcherOut.length ) :
2421
                    matcherOut
2422
            );
2423
            if ( postFinder ) {
2424
                postFinder( null, results, matcherOut, xml );
2425
            } else {
2426
                push.apply( results, matcherOut );
2427
            }
2428
        }
2429
    });
2430
}
2431
2432
function matcherFromTokens( tokens ) {
2433
    var checkContext, matcher, j,
2434
        len = tokens.length,
2435
        leadingRelative = Expr.relative[ tokens[0].type ],
2436
        implicitRelative = leadingRelative || Expr.relative[" "],
2437
        i = leadingRelative ? 1 : 0,
2438
2439
        // The foundational matcher ensures that elements are reachable from top-level context(s)
2440
        matchContext = addCombinator( function( elem ) {
2441
            return elem === checkContext;
2442
        }, implicitRelative, true ),
2443
        matchAnyContext = addCombinator( function( elem ) {
2444
            return indexOf( checkContext, elem ) > -1;
2445
        }, implicitRelative, true ),
2446
        matchers = [ function( elem, context, xml ) {
2447
            var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2448
                (checkContext = context).nodeType ?
2449
                    matchContext( elem, context, xml ) :
2450
                    matchAnyContext( elem, context, xml ) );
2451
            // Avoid hanging onto element (issue #299)
2452
            checkContext = null;
2453
            return ret;
2454
        } ];
2455
2456
    for ( ; i < len; i++ ) {
2457
        if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2458
            matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2459
        } else {
2460
            matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2461
2462
            // Return special upon seeing a positional matcher
2463
            if ( matcher[ expando ] ) {
2464
                // Find the next relative operator (if any) for proper handling
2465
                j = ++i;
2466
                for ( ; j < len; j++ ) {
2467
                    if ( Expr.relative[ tokens[j].type ] ) {
2468
                        break;
2469
                    }
2470
                }
2471
                return setMatcher(
2472
                    i > 1 && elementMatcher( matchers ),
2473
                    i > 1 && toSelector(
2474
                        // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2475
                        tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2476
                    ).replace( rtrim, "$1" ),
2477
                    matcher,
2478
                    i < j && matcherFromTokens( tokens.slice( i, j ) ),
2479
                    j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2480
                    j < len && toSelector( tokens )
2481
                );
2482
            }
2483
            matchers.push( matcher );
2484
        }
2485
    }
2486
2487
    return elementMatcher( matchers );
2488
}
2489
2490
function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2491
    var bySet = setMatchers.length > 0,
2492
        byElement = elementMatchers.length > 0,
2493
        superMatcher = function( seed, context, xml, results, outermost ) {
2494
            var elem, j, matcher,
2495
                matchedCount = 0,
2496
                i = "0",
2497
                unmatched = seed && [],
2498
                setMatched = [],
2499
                contextBackup = outermostContext,
2500
                // We must always have either seed elements or outermost context
2501
                elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2502
                // Use integer dirruns iff this is the outermost matcher
2503
                dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2504
                len = elems.length;
2505
2506
            if ( outermost ) {
2507
                outermostContext = context === document || context || outermost;
2508
            }
2509
2510
            // Add elements passing elementMatchers directly to results
2511
            // Support: IE<9, Safari
2512
            // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2513
            for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2514
                if ( byElement && elem ) {
2515
                    j = 0;
2516
                    if ( !context && elem.ownerDocument !== document ) {
2517
                        setDocument( elem );
2518
                        xml = !documentIsHTML;
2519
                    }
2520
                    while ( (matcher = elementMatchers[j++]) ) {
2521
                        if ( matcher( elem, context || document, xml) ) {
2522
                            results.push( elem );
2523
                            break;
2524
                        }
2525
                    }
2526
                    if ( outermost ) {
2527
                        dirruns = dirrunsUnique;
2528
                    }
2529
                }
2530
2531
                // Track unmatched elements for set filters
2532
                if ( bySet ) {
2533
                    // They will have gone through all possible matchers
2534
                    if ( (elem = !matcher && elem) ) {
2535
                        matchedCount--;
2536
                    }
2537
2538
                    // Lengthen the array for every element, matched or not
2539
                    if ( seed ) {
2540
                        unmatched.push( elem );
2541
                    }
2542
                }
2543
            }
2544
2545
            // `i` is now the count of elements visited above, and adding it to `matchedCount`
2546
            // makes the latter nonnegative.
2547
            matchedCount += i;
2548
2549
            // Apply set filters to unmatched elements
2550
            // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2551
            // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2552
            // no element matchers and no seed.
2553
            // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2554
            // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2555
            // numerically zero.
2556
            if ( bySet && i !== matchedCount ) {
2557
                j = 0;
2558
                while ( (matcher = setMatchers[j++]) ) {
2559
                    matcher( unmatched, setMatched, context, xml );
2560
                }
2561
2562
                if ( seed ) {
2563
                    // Reintegrate element matches to eliminate the need for sorting
2564
                    if ( matchedCount > 0 ) {
2565
                        while ( i-- ) {
2566
                            if ( !(unmatched[i] || setMatched[i]) ) {
2567
                                setMatched[i] = pop.call( results );
2568
                            }
2569
                        }
2570
                    }
2571
2572
                    // Discard index placeholder values to get only actual matches
2573
                    setMatched = condense( setMatched );
2574
                }
2575
2576
                // Add matches to results
2577
                push.apply( results, setMatched );
2578
2579
                // Seedless set matches succeeding multiple successful matchers stipulate sorting
2580
                if ( outermost && !seed && setMatched.length > 0 &&
2581
                    ( matchedCount + setMatchers.length ) > 1 ) {
2582
2583
                    Sizzle.uniqueSort( results );
2584
                }
2585
            }
2586
2587
            // Override manipulation of globals by nested matchers
2588
            if ( outermost ) {
2589
                dirruns = dirrunsUnique;
2590
                outermostContext = contextBackup;
2591
            }
2592
2593
            return unmatched;
2594
        };
2595
2596
    return bySet ?
2597
        markFunction( superMatcher ) :
2598
        superMatcher;
2599
}
2600
2601
compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2602
    var i,
2603
        setMatchers = [],
2604
        elementMatchers = [],
2605
        cached = compilerCache[ selector + " " ];
2606
2607
    if ( !cached ) {
2608
        // Generate a function of recursive functions that can be used to check each element
2609
        if ( !match ) {
2610
            match = tokenize( selector );
2611
        }
2612
        i = match.length;
2613
        while ( i-- ) {
2614
            cached = matcherFromTokens( match[i] );
2615
            if ( cached[ expando ] ) {
2616
                setMatchers.push( cached );
2617
            } else {
2618
                elementMatchers.push( cached );
2619
            }
2620
        }
2621
2622
        // Cache the compiled function
2623
        cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2624
2625
        // Save selector and tokenization
2626
        cached.selector = selector;
2627
    }
2628
    return cached;
2629
};
2630
2631
/**
2632
 * A low-level selection function that works with Sizzle's compiled
2633
 *  selector functions
2634
 * @param {String|Function} selector A selector or a pre-compiled
2635
 *  selector function built with Sizzle.compile
2636
 * @param {Element} context
2637
 * @param {Array} [results]
2638
 * @param {Array} [seed] A set of elements to match against
2639
 */
2640
select = Sizzle.select = function( selector, context, results, seed ) {
2641
    var i, tokens, token, type, find,
2642
        compiled = typeof selector === "function" && selector,
2643
        match = !seed && tokenize( (selector = compiled.selector || selector) );
2644
2645
    results = results || [];
2646
2647
    // Try to minimize operations if there is only one selector in the list and no seed
2648
    // (the latter of which guarantees us context)
2649
    if ( match.length === 1 ) {
2650
2651
        // Reduce context if the leading compound selector is an ID
2652
        tokens = match[0] = match[0].slice( 0 );
2653
        if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2654
                context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2655
2656
            context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2657
            if ( !context ) {
2658
                return results;
2659
2660
            // Precompiled matchers will still verify ancestry, so step up a level
2661
            } else if ( compiled ) {
2662
                context = context.parentNode;
2663
            }
2664
2665
            selector = selector.slice( tokens.shift().value.length );
2666
        }
2667
2668
        // Fetch a seed set for right-to-left matching
2669
        i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2670
        while ( i-- ) {
2671
            token = tokens[i];
2672
2673
            // Abort if we hit a combinator
2674
            if ( Expr.relative[ (type = token.type) ] ) {
2675
                break;
2676
            }
2677
            if ( (find = Expr.find[ type ]) ) {
2678
                // Search, expanding context for leading sibling combinators
2679
                if ( (seed = find(
2680
                    token.matches[0].replace( runescape, funescape ),
2681
                    rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2682
                )) ) {
2683
2684
                    // If seed is empty or no tokens remain, we can return early
2685
                    tokens.splice( i, 1 );
2686
                    selector = seed.length && toSelector( tokens );
2687
                    if ( !selector ) {
2688
                        push.apply( results, seed );
2689
                        return results;
2690
                    }
2691
2692
                    break;
2693
                }
2694
            }
2695
        }
2696
    }
2697
2698
    // Compile and execute a filtering function if one is not provided
2699
    // Provide `match` to avoid retokenization if we modified the selector above
2700
    ( compiled || compile( selector, match ) )(
2701
        seed,
2702
        context,
2703
        !documentIsHTML,
2704
        results,
2705
        !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2706
    );
2707
    return results;
2708
};
2709
2710
// One-time assignments
2711
2712
// Sort stability
2713
support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2714
2715
// Support: Chrome 14-35+
2716
// Always assume duplicates if they aren't passed to the comparison function
2717
support.detectDuplicates = !!hasDuplicate;
2718
2719
// Initialize against the default document
2720
setDocument();
2721
2722
// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2723
// Detached nodes confoundingly follow *each other*
2724
support.sortDetached = assert(function( el ) {
2725
    // Should return 1, but returns 4 (following)
2726
    return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2727
});
2728
2729
// Support: IE<8
2730
// Prevent attribute/property "interpolation"
2731
// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2732
if ( !assert(function( el ) {
2733
    el.innerHTML = "<a href='#'></a>";
2734
    return el.firstChild.getAttribute("href") === "#" ;
2735
}) ) {
2736
    addHandle( "type|href|height|width", function( elem, name, isXML ) {
2737
        if ( !isXML ) {
2738
            return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2739
        }
2740
    });
2741
}
2742
2743
// Support: IE<9
2744
// Use defaultValue in place of getAttribute("value")
2745
if ( !support.attributes || !assert(function( el ) {
2746
    el.innerHTML = "<input/>";
2747
    el.firstChild.setAttribute( "value", "" );
2748
    return el.firstChild.getAttribute( "value" ) === "";
2749
}) ) {
2750
    addHandle( "value", function( elem, name, isXML ) {
2751
        if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2752
            return elem.defaultValue;
2753
        }
2754
    });
2755
}
2756
2757
// Support: IE<9
2758
// Use getAttributeNode to fetch booleans when getAttribute lies
2759
if ( !assert(function( el ) {
2760
    return el.getAttribute("disabled") == null;
2761
}) ) {
2762
    addHandle( booleans, function( elem, name, isXML ) {
2763
        var val;
2764
        if ( !isXML ) {
2765
            return elem[ name ] === true ? name.toLowerCase() :
2766
                    (val = elem.getAttributeNode( name )) && val.specified ?
2767
                    val.value :
2768
                null;
2769
        }
2770
    });
2771
}
2772
2773
return Sizzle;
2774
2775
})( window );
2776
2777
2778
2779
jQuery.find = Sizzle;
2780
jQuery.expr = Sizzle.selectors;
2781
2782
// Deprecated
2783
jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2784
jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2785
jQuery.text = Sizzle.getText;
2786
jQuery.isXMLDoc = Sizzle.isXML;
2787
jQuery.contains = Sizzle.contains;
2788
jQuery.escapeSelector = Sizzle.escape;
2789
2790
2791
2792
2793
var dir = function( elem, dir, until ) {
2794
    var matched = [],
2795
        truncate = until !== undefined;
2796
2797
    while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2798
        if ( elem.nodeType === 1 ) {
2799
            if ( truncate && jQuery( elem ).is( until ) ) {
2800
                break;
2801
            }
2802
            matched.push( elem );
2803
        }
2804
    }
2805
    return matched;
2806
};
2807
2808
2809
var siblings = function( n, elem ) {
2810
    var matched = [];
2811
2812
    for ( ; n; n = n.nextSibling ) {
2813
        if ( n.nodeType === 1 && n !== elem ) {
2814
            matched.push( n );
2815
        }
2816
    }
2817
2818
    return matched;
2819
};
2820
2821
2822
var rneedsContext = jQuery.expr.match.needsContext;
2823
2824
2825
2826
function nodeName( elem, name ) {
2827
2828
  return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2829
2830
};
2831
var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2832
2833
2834
2835
// Implement the identical functionality for filter and not
2836
function winnow( elements, qualifier, not ) {
2837
    if ( isFunction( qualifier ) ) {
2838
        return jQuery.grep( elements, function( elem, i ) {
2839
            return !!qualifier.call( elem, i, elem ) !== not;
2840
        } );
2841
    }
2842
2843
    // Single element
2844
    if ( qualifier.nodeType ) {
2845
        return jQuery.grep( elements, function( elem ) {
2846
            return ( elem === qualifier ) !== not;
2847
        } );
2848
    }
2849
2850
    // Arraylike of elements (jQuery, arguments, Array)
2851
    if ( typeof qualifier !== "string" ) {
2852
        return jQuery.grep( elements, function( elem ) {
2853
            return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2854
        } );
2855
    }
2856
2857
    // Filtered directly for both simple and complex selectors
2858
    return jQuery.filter( qualifier, elements, not );
2859
}
2860
2861
jQuery.filter = function( expr, elems, not ) {
2862
    var elem = elems[ 0 ];
2863
2864
    if ( not ) {
2865
        expr = ":not(" + expr + ")";
2866
    }
2867
2868
    if ( elems.length === 1 && elem.nodeType === 1 ) {
2869
        return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2870
    }
2871
2872
    return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2873
        return elem.nodeType === 1;
2874
    } ) );
2875
};
2876
2877
jQuery.fn.extend( {
2878
    find: function( selector ) {
2879
        var i, ret,
2880
            len = this.length,
2881
            self = this;
2882
2883
        if ( typeof selector !== "string" ) {
2884
            return this.pushStack( jQuery( selector ).filter( function() {
2885
                for ( i = 0; i < len; i++ ) {
2886
                    if ( jQuery.contains( self[ i ], this ) ) {
2887
                        return true;
2888
                    }
2889
                }
2890
            } ) );
2891
        }
2892
2893
        ret = this.pushStack( [] );
2894
2895
        for ( i = 0; i < len; i++ ) {
2896
            jQuery.find( selector, self[ i ], ret );
2897
        }
2898
2899
        return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2900
    },
2901
    filter: function( selector ) {
2902
        return this.pushStack( winnow( this, selector || [], false ) );
2903
    },
2904
    not: function( selector ) {
2905
        return this.pushStack( winnow( this, selector || [], true ) );
2906
    },
2907
    is: function( selector ) {
2908
        return !!winnow(
2909
            this,
2910
2911
            // If this is a positional/relative selector, check membership in the returned set
2912
            // so $("p:first").is("p:last") won't return true for a doc with two "p".
2913
            typeof selector === "string" && rneedsContext.test( selector ) ?
2914
                jQuery( selector ) :
2915
                selector || [],
2916
            false
2917
        ).length;
2918
    }
2919
} );
2920
2921
2922
// Initialize a jQuery object
2923
2924
2925
// A central reference to the root jQuery(document)
2926
var rootjQuery,
2927
2928
    // A simple way to check for HTML strings
2929
    // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2930
    // Strict HTML recognition (#11290: must start with <)
2931
    // Shortcut simple #id case for speed
2932
    rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2933
2934
    init = jQuery.fn.init = function( selector, context, root ) {
2935
        var match, elem;
2936
2937
        // HANDLE: $(""), $(null), $(undefined), $(false)
2938
        if ( !selector ) {
2939
            return this;
2940
        }
2941
2942
        // Method init() accepts an alternate rootjQuery
2943
        // so migrate can support jQuery.sub (gh-2101)
2944
        root = root || rootjQuery;
2945
2946
        // Handle HTML strings
2947
        if ( typeof selector === "string" ) {
2948
            if ( selector[ 0 ] === "<" &&
2949
                selector[ selector.length - 1 ] === ">" &&
2950
                selector.length >= 3 ) {
2951
2952
                // Assume that strings that start and end with <> are HTML and skip the regex check
2953
                match = [ null, selector, null ];
2954
2955
            } else {
2956
                match = rquickExpr.exec( selector );
2957
            }
2958
2959
            // Match html or make sure no context is specified for #id
2960
            if ( match && ( match[ 1 ] || !context ) ) {
2961
2962
                // HANDLE: $(html) -> $(array)
2963
                if ( match[ 1 ] ) {
2964
                    context = context instanceof jQuery ? context[ 0 ] : context;
2965
2966
                    // Option to run scripts is true for back-compat
2967
                    // Intentionally let the error be thrown if parseHTML is not present
2968
                    jQuery.merge( this, jQuery.parseHTML(
2969
                        match[ 1 ],
2970
                        context && context.nodeType ? context.ownerDocument || context : document,
2971
                        true
2972
                    ) );
2973
2974
                    // HANDLE: $(html, props)
2975
                    if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2976
                        for ( match in context ) {
2977
2978
                            // Properties of context are called as methods if possible
2979
                            if ( isFunction( this[ match ] ) ) {
2980
                                this[ match ]( context[ match ] );
2981
2982
                            // ...and otherwise set as attributes
2983
                            } else {
2984
                                this.attr( match, context[ match ] );
2985
                            }
2986
                        }
2987
                    }
2988
2989
                    return this;
2990
2991
                // HANDLE: $(#id)
2992
                } else {
2993
                    elem = document.getElementById( match[ 2 ] );
2994
2995
                    if ( elem ) {
2996
2997
                        // Inject the element directly into the jQuery object
2998
                        this[ 0 ] = elem;
2999
                        this.length = 1;
3000
                    }
3001
                    return this;
3002
                }
3003
3004
            // HANDLE: $(expr, $(...))
3005
            } else if ( !context || context.jquery ) {
3006
                return ( context || root ).find( selector );
3007
3008
            // HANDLE: $(expr, context)
3009
            // (which is just equivalent to: $(context).find(expr)
3010
            } else {
3011
                return this.constructor( context ).find( selector );
3012
            }
3013
3014
        // HANDLE: $(DOMElement)
3015
        } else if ( selector.nodeType ) {
3016
            this[ 0 ] = selector;
3017
            this.length = 1;
3018
            return this;
3019
3020
        // HANDLE: $(function)
3021
        // Shortcut for document ready
3022
        } else if ( isFunction( selector ) ) {
3023
            return root.ready !== undefined ?
3024
                root.ready( selector ) :
3025
3026
                // Execute immediately if ready is not present
3027
                selector( jQuery );
3028
        }
3029
3030
        return jQuery.makeArray( selector, this );
3031
    };
3032
3033
// Give the init function the jQuery prototype for later instantiation
3034
init.prototype = jQuery.fn;
3035
3036
// Initialize central reference
3037
rootjQuery = jQuery( document );
3038
3039
3040
var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3041
3042
    // Methods guaranteed to produce a unique set when starting from a unique set
3043
    guaranteedUnique = {
3044
        children: true,
3045
        contents: true,
3046
        next: true,
3047
        prev: true
3048
    };
3049
3050
jQuery.fn.extend( {
3051
    has: function( target ) {
3052
        var targets = jQuery( target, this ),
3053
            l = targets.length;
3054
3055
        return this.filter( function() {
3056
            var i = 0;
3057
            for ( ; i < l; i++ ) {
3058
                if ( jQuery.contains( this, targets[ i ] ) ) {
3059
                    return true;
3060
                }
3061
            }
3062
        } );
3063
    },
3064
3065
    closest: function( selectors, context ) {
3066
        var cur,
3067
            i = 0,
3068
            l = this.length,
3069
            matched = [],
3070
            targets = typeof selectors !== "string" && jQuery( selectors );
3071
3072
        // Positional selectors never match, since there's no _selection_ context
3073
        if ( !rneedsContext.test( selectors ) ) {
3074
            for ( ; i < l; i++ ) {
3075
                for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3076
3077
                    // Always skip document fragments
3078
                    if ( cur.nodeType < 11 && ( targets ?
3079
                        targets.index( cur ) > -1 :
3080
3081
                        // Don't pass non-elements to Sizzle
3082
                        cur.nodeType === 1 &&
3083
                            jQuery.find.matchesSelector( cur, selectors ) ) ) {
3084
3085
                        matched.push( cur );
3086
                        break;
3087
                    }
3088
                }
3089
            }
3090
        }
3091
3092
        return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3093
    },
3094
3095
    // Determine the position of an element within the set
3096
    index: function( elem ) {
3097
3098
        // No argument, return index in parent
3099
        if ( !elem ) {
3100
            return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3101
        }
3102
3103
        // Index in selector
3104
        if ( typeof elem === "string" ) {
3105
            return indexOf.call( jQuery( elem ), this[ 0 ] );
3106
        }
3107
3108
        // Locate the position of the desired element
3109
        return indexOf.call( this,
3110
3111
            // If it receives a jQuery object, the first element is used
3112
            elem.jquery ? elem[ 0 ] : elem
3113
        );
3114
    },
3115
3116
    add: function( selector, context ) {
3117
        return this.pushStack(
3118
            jQuery.uniqueSort(
3119
                jQuery.merge( this.get(), jQuery( selector, context ) )
3120
            )
3121
        );
3122
    },
3123
3124
    addBack: function( selector ) {
3125
        return this.add( selector == null ?
3126
            this.prevObject : this.prevObject.filter( selector )
3127
        );
3128
    }
3129
} );
3130
3131
function sibling( cur, dir ) {
3132
    while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3133
    return cur;
3134
}
3135
3136
jQuery.each( {
3137
    parent: function( elem ) {
3138
        var parent = elem.parentNode;
3139
        return parent && parent.nodeType !== 11 ? parent : null;
3140
    },
3141
    parents: function( elem ) {
3142
        return dir( elem, "parentNode" );
3143
    },
3144
    parentsUntil: function( elem, i, until ) {
3145
        return dir( elem, "parentNode", until );
3146
    },
3147
    next: function( elem ) {
3148
        return sibling( elem, "nextSibling" );
3149
    },
3150
    prev: function( elem ) {
3151
        return sibling( elem, "previousSibling" );
3152
    },
3153
    nextAll: function( elem ) {
3154
        return dir( elem, "nextSibling" );
3155
    },
3156
    prevAll: function( elem ) {
3157
        return dir( elem, "previousSibling" );
3158
    },
3159
    nextUntil: function( elem, i, until ) {
3160
        return dir( elem, "nextSibling", until );
3161
    },
3162
    prevUntil: function( elem, i, until ) {
3163
        return dir( elem, "previousSibling", until );
3164
    },
3165
    siblings: function( elem ) {
3166
        return siblings( ( elem.parentNode || {} ).firstChild, elem );
3167
    },
3168
    children: function( elem ) {
3169
        return siblings( elem.firstChild );
3170
    },
3171
    contents: function( elem ) {
3172
        if ( typeof elem.contentDocument !== "undefined" ) {
3173
            return elem.contentDocument;
3174
        }
3175
3176
        // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3177
        // Treat the template element as a regular one in browsers that
3178
        // don't support it.
3179
        if ( nodeName( elem, "template" ) ) {
3180
            elem = elem.content || elem;
3181
        }
3182
3183
        return jQuery.merge( [], elem.childNodes );
3184
    }
3185
}, function( name, fn ) {
3186
    jQuery.fn[ name ] = function( until, selector ) {
3187
        var matched = jQuery.map( this, fn, until );
3188
3189
        if ( name.slice( -5 ) !== "Until" ) {
3190
            selector = until;
3191
        }
3192
3193
        if ( selector && typeof selector === "string" ) {
3194
            matched = jQuery.filter( selector, matched );
3195
        }
3196
3197
        if ( this.length > 1 ) {
3198
3199
            // Remove duplicates
3200
            if ( !guaranteedUnique[ name ] ) {
3201
                jQuery.uniqueSort( matched );
3202
            }
3203
3204
            // Reverse order for parents* and prev-derivatives
3205
            if ( rparentsprev.test( name ) ) {
3206
                matched.reverse();
3207
            }
3208
        }
3209
3210
        return this.pushStack( matched );
3211
    };
3212
} );
3213
var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3214
3215
3216
3217
// Convert String-formatted options into Object-formatted ones
3218
function createOptions( options ) {
3219
    var object = {};
3220
    jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3221
        object[ flag ] = true;
3222
    } );
3223
    return object;
3224
}
3225
3226
/*
3227
 * Create a callback list using the following parameters:
3228
 *
3229
 *  options: an optional list of space-separated options that will change how
3230
 *          the callback list behaves or a more traditional option object
3231
 *
3232
 * By default a callback list will act like an event callback list and can be
3233
 * "fired" multiple times.
3234
 *
3235
 * Possible options:
3236
 *
3237
 *  once:           will ensure the callback list can only be fired once (like a Deferred)
3238
 *
3239
 *  memory:         will keep track of previous values and will call any callback added
3240
 *                  after the list has been fired right away with the latest "memorized"
3241
 *                  values (like a Deferred)
3242
 *
3243
 *  unique:         will ensure a callback can only be added once (no duplicate in the list)
3244
 *
3245
 *  stopOnFalse:    interrupt callings when a callback returns false
3246
 *
3247
 */
3248
jQuery.Callbacks = function( options ) {
3249
3250
    // Convert options from String-formatted to Object-formatted if needed
3251
    // (we check in cache first)
3252
    options = typeof options === "string" ?
3253
        createOptions( options ) :
3254
        jQuery.extend( {}, options );
3255
3256
    var // Flag to know if list is currently firing
3257
        firing,
3258
3259
        // Last fire value for non-forgettable lists
3260
        memory,
3261
3262
        // Flag to know if list was already fired
3263
        fired,
3264
3265
        // Flag to prevent firing
3266
        locked,
3267
3268
        // Actual callback list
3269
        list = [],
3270
3271
        // Queue of execution data for repeatable lists
3272
        queue = [],
3273
3274
        // Index of currently firing callback (modified by add/remove as needed)
3275
        firingIndex = -1,
3276
3277
        // Fire callbacks
3278
        fire = function() {
3279
3280
            // Enforce single-firing
3281
            locked = locked || options.once;
3282
3283
            // Execute callbacks for all pending executions,
3284
            // respecting firingIndex overrides and runtime changes
3285
            fired = firing = true;
3286
            for ( ; queue.length; firingIndex = -1 ) {
3287
                memory = queue.shift();
3288
                while ( ++firingIndex < list.length ) {
3289
3290
                    // Run callback and check for early termination
3291
                    if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3292
                        options.stopOnFalse ) {
3293
3294
                        // Jump to end and forget the data so .add doesn't re-fire
3295
                        firingIndex = list.length;
3296
                        memory = false;
3297
                    }
3298
                }
3299
            }
3300
3301
            // Forget the data if we're done with it
3302
            if ( !options.memory ) {
3303
                memory = false;
3304
            }
3305
3306
            firing = false;
3307
3308
            // Clean up if we're done firing for good
3309
            if ( locked ) {
3310
3311
                // Keep an empty list if we have data for future add calls
3312
                if ( memory ) {
3313
                    list = [];
3314
3315
                // Otherwise, this object is spent
3316
                } else {
3317
                    list = "";
3318
                }
3319
            }
3320
        },
3321
3322
        // Actual Callbacks object
3323
        self = {
3324
3325
            // Add a callback or a collection of callbacks to the list
3326
            add: function() {
3327
                if ( list ) {
3328
3329
                    // If we have memory from a past run, we should fire after adding
3330
                    if ( memory && !firing ) {
3331
                        firingIndex = list.length - 1;
3332
                        queue.push( memory );
3333
                    }
3334
3335
                    ( function add( args ) {
3336
                        jQuery.each( args, function( _, arg ) {
3337
                            if ( isFunction( arg ) ) {
3338
                                if ( !options.unique || !self.has( arg ) ) {
3339
                                    list.push( arg );
3340
                                }
3341
                            } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3342
3343
                                // Inspect recursively
3344
                                add( arg );
3345
                            }
3346
                        } );
3347
                    } )( arguments );
3348
3349
                    if ( memory && !firing ) {
3350
                        fire();
3351
                    }
3352
                }
3353
                return this;
3354
            },
3355
3356
            // Remove a callback from the list
3357
            remove: function() {
3358
                jQuery.each( arguments, function( _, arg ) {
3359
                    var index;
3360
                    while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3361
                        list.splice( index, 1 );
3362
3363
                        // Handle firing indexes
3364
                        if ( index <= firingIndex ) {
3365
                            firingIndex--;
3366
                        }
3367
                    }
3368
                } );
3369
                return this;
3370
            },
3371
3372
            // Check if a given callback is in the list.
3373
            // If no argument is given, return whether or not list has callbacks attached.
3374
            has: function( fn ) {
3375
                return fn ?
3376
                    jQuery.inArray( fn, list ) > -1 :
3377
                    list.length > 0;
3378
            },
3379
3380
            // Remove all callbacks from the list
3381
            empty: function() {
3382
                if ( list ) {
3383
                    list = [];
3384
                }
3385
                return this;
3386
            },
3387
3388
            // Disable .fire and .add
3389
            // Abort any current/pending executions
3390
            // Clear all callbacks and values
3391
            disable: function() {
3392
                locked = queue = [];
3393
                list = memory = "";
3394
                return this;
3395
            },
3396
            disabled: function() {
3397
                return !list;
3398
            },
3399
3400
            // Disable .fire
3401
            // Also disable .add unless we have memory (since it would have no effect)
3402
            // Abort any pending executions
3403
            lock: function() {
3404
                locked = queue = [];
3405
                if ( !memory && !firing ) {
3406
                    list = memory = "";
3407
                }
3408
                return this;
3409
            },
3410
            locked: function() {
3411
                return !!locked;
3412
            },
3413
3414
            // Call all callbacks with the given context and arguments
3415
            fireWith: function( context, args ) {
3416
                if ( !locked ) {
3417
                    args = args || [];
3418
                    args = [ context, args.slice ? args.slice() : args ];
3419
                    queue.push( args );
3420
                    if ( !firing ) {
3421
                        fire();
3422
                    }
3423
                }
3424
                return this;
3425
            },
3426
3427
            // Call all the callbacks with the given arguments
3428
            fire: function() {
3429
                self.fireWith( this, arguments );
3430
                return this;
3431
            },
3432
3433
            // To know if the callbacks have already been called at least once
3434
            fired: function() {
3435
                return !!fired;
3436
            }
3437
        };
3438
3439
    return self;
3440
};
3441
3442
3443
function Identity( v ) {
3444
    return v;
3445
}
3446
function Thrower( ex ) {
3447
    throw ex;
3448
}
3449
3450
function adoptValue( value, resolve, reject, noValue ) {
3451
    var method;
3452
3453
    try {
3454
3455
        // Check for promise aspect first to privilege synchronous behavior
3456
        if ( value && isFunction( ( method = value.promise ) ) ) {
3457
            method.call( value ).done( resolve ).fail( reject );
3458
3459
        // Other thenables
3460
        } else if ( value && isFunction( ( method = value.then ) ) ) {
3461
            method.call( value, resolve, reject );
3462
3463
        // Other non-thenables
3464
        } else {
3465
3466
            // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3467
            // * false: [ value ].slice( 0 ) => resolve( value )
3468
            // * true: [ value ].slice( 1 ) => resolve()
3469
            resolve.apply( undefined, [ value ].slice( noValue ) );
3470
        }
3471
3472
    // For Promises/A+, convert exceptions into rejections
3473
    // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3474
    // Deferred#then to conditionally suppress rejection.
3475
    } catch ( value ) {
3476
3477
        // Support: Android 4.0 only
3478
        // Strict mode functions invoked without .call/.apply get global-object context
3479
        reject.apply( undefined, [ value ] );
3480
    }
3481
}
3482
3483
jQuery.extend( {
3484
3485
    Deferred: function( func ) {
3486
        var tuples = [
3487
3488
                // action, add listener, callbacks,
3489
                // ... .then handlers, argument index, [final state]
3490
                [ "notify", "progress", jQuery.Callbacks( "memory" ),
3491
                    jQuery.Callbacks( "memory" ), 2 ],
3492
                [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3493
                    jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3494
                [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3495
                    jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3496
            ],
3497
            state = "pending",
3498
            promise = {
3499
                state: function() {
3500
                    return state;
3501
                },
3502
                always: function() {
3503
                    deferred.done( arguments ).fail( arguments );
3504
                    return this;
3505
                },
3506
                "catch": function( fn ) {
3507
                    return promise.then( null, fn );
3508
                },
3509
3510
                // Keep pipe for back-compat
3511
                pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3512
                    var fns = arguments;
3513
3514
                    return jQuery.Deferred( function( newDefer ) {
3515
                        jQuery.each( tuples, function( i, tuple ) {
3516
3517
                            // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3518
                            var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3519
3520
                            // deferred.progress(function() { bind to newDefer or newDefer.notify })
3521
                            // deferred.done(function() { bind to newDefer or newDefer.resolve })
3522
                            // deferred.fail(function() { bind to newDefer or newDefer.reject })
3523
                            deferred[ tuple[ 1 ] ]( function() {
3524
                                var returned = fn && fn.apply( this, arguments );
3525
                                if ( returned && isFunction( returned.promise ) ) {
3526
                                    returned.promise()
3527
                                        .progress( newDefer.notify )
3528
                                        .done( newDefer.resolve )
3529
                                        .fail( newDefer.reject );
3530
                                } else {
3531
                                    newDefer[ tuple[ 0 ] + "With" ](
3532
                                        this,
3533
                                        fn ? [ returned ] : arguments
3534
                                    );
3535
                                }
3536
                            } );
3537
                        } );
3538
                        fns = null;
3539
                    } ).promise();
3540
                },
3541
                then: function( onFulfilled, onRejected, onProgress ) {
3542
                    var maxDepth = 0;
3543
                    function resolve( depth, deferred, handler, special ) {
3544
                        return function() {
3545
                            var that = this,
3546
                                args = arguments,
3547
                                mightThrow = function() {
3548
                                    var returned, then;
3549
3550
                                    // Support: Promises/A+ section 2.3.3.3.3
3551
                                    // https://promisesaplus.com/#point-59
3552
                                    // Ignore double-resolution attempts
3553
                                    if ( depth < maxDepth ) {
3554
                                        return;
3555
                                    }
3556
3557
                                    returned = handler.apply( that, args );
3558
3559
                                    // Support: Promises/A+ section 2.3.1
3560
                                    // https://promisesaplus.com/#point-48
3561
                                    if ( returned === deferred.promise() ) {
3562
                                        throw new TypeError( "Thenable self-resolution" );
3563
                                    }
3564
3565
                                    // Support: Promises/A+ sections 2.3.3.1, 3.5
3566
                                    // https://promisesaplus.com/#point-54
3567
                                    // https://promisesaplus.com/#point-75
3568
                                    // Retrieve `then` only once
3569
                                    then = returned &&
3570
3571
                                        // Support: Promises/A+ section 2.3.4
3572
                                        // https://promisesaplus.com/#point-64
3573
                                        // Only check objects and functions for thenability
3574
                                        ( typeof returned === "object" ||
3575
                                            typeof returned === "function" ) &&
3576
                                        returned.then;
3577
3578
                                    // Handle a returned thenable
3579
                                    if ( isFunction( then ) ) {
3580
3581
                                        // Special processors (notify) just wait for resolution
3582
                                        if ( special ) {
3583
                                            then.call(
3584
                                                returned,
3585
                                                resolve( maxDepth, deferred, Identity, special ),
3586
                                                resolve( maxDepth, deferred, Thrower, special )
3587
                                            );
3588
3589
                                        // Normal processors (resolve) also hook into progress
3590
                                        } else {
3591
3592
                                            // ...and disregard older resolution values
3593
                                            maxDepth++;
3594
3595
                                            then.call(
3596
                                                returned,
3597
                                                resolve( maxDepth, deferred, Identity, special ),
3598
                                                resolve( maxDepth, deferred, Thrower, special ),
3599
                                                resolve( maxDepth, deferred, Identity,
3600
                                                    deferred.notifyWith )
3601
                                            );
3602
                                        }
3603
3604
                                    // Handle all other returned values
3605
                                    } else {
3606
3607
                                        // Only substitute handlers pass on context
3608
                                        // and multiple values (non-spec behavior)
3609
                                        if ( handler !== Identity ) {
3610
                                            that = undefined;
3611
                                            args = [ returned ];
3612
                                        }
3613
3614
                                        // Process the value(s)
3615
                                        // Default process is resolve
3616
                                        ( special || deferred.resolveWith )( that, args );
3617
                                    }
3618
                                },
3619
3620
                                // Only normal processors (resolve) catch and reject exceptions
3621
                                process = special ?
3622
                                    mightThrow :
3623
                                    function() {
3624
                                        try {
3625
                                            mightThrow();
3626
                                        } catch ( e ) {
3627
3628
                                            if ( jQuery.Deferred.exceptionHook ) {
3629
                                                jQuery.Deferred.exceptionHook( e,
3630
                                                    process.stackTrace );
3631
                                            }
3632
3633
                                            // Support: Promises/A+ section 2.3.3.3.4.1
3634
                                            // https://promisesaplus.com/#point-61
3635
                                            // Ignore post-resolution exceptions
3636
                                            if ( depth + 1 >= maxDepth ) {
3637
3638
                                                // Only substitute handlers pass on context
3639
                                                // and multiple values (non-spec behavior)
3640
                                                if ( handler !== Thrower ) {
3641
                                                    that = undefined;
3642
                                                    args = [ e ];
3643
                                                }
3644
3645
                                                deferred.rejectWith( that, args );
3646
                                            }
3647
                                        }
3648
                                    };
3649
3650
                            // Support: Promises/A+ section 2.3.3.3.1
3651
                            // https://promisesaplus.com/#point-57
3652
                            // Re-resolve promises immediately to dodge false rejection from
3653
                            // subsequent errors
3654
                            if ( depth ) {
3655
                                process();
3656
                            } else {
3657
3658
                                // Call an optional hook to record the stack, in case of exception
3659
                                // since it's otherwise lost when execution goes async
3660
                                if ( jQuery.Deferred.getStackHook ) {
3661
                                    process.stackTrace = jQuery.Deferred.getStackHook();
3662
                                }
3663
                                window.setTimeout( process );
3664
                            }
3665
                        };
3666
                    }
3667
3668
                    return jQuery.Deferred( function( newDefer ) {
3669
3670
                        // progress_handlers.add( ... )
3671
                        tuples[ 0 ][ 3 ].add(
3672
                            resolve(
3673
                                0,
3674
                                newDefer,
3675
                                isFunction( onProgress ) ?
3676
                                    onProgress :
3677
                                    Identity,
3678
                                newDefer.notifyWith
3679
                            )
3680
                        );
3681
3682
                        // fulfilled_handlers.add( ... )
3683
                        tuples[ 1 ][ 3 ].add(
3684
                            resolve(
3685
                                0,
3686
                                newDefer,
3687
                                isFunction( onFulfilled ) ?
3688
                                    onFulfilled :
3689
                                    Identity
3690
                            )
3691
                        );
3692
3693
                        // rejected_handlers.add( ... )
3694
                        tuples[ 2 ][ 3 ].add(
3695
                            resolve(
3696
                                0,
3697
                                newDefer,
3698
                                isFunction( onRejected ) ?
3699
                                    onRejected :
3700
                                    Thrower
3701
                            )
3702
                        );
3703
                    } ).promise();
3704
                },
3705
3706
                // Get a promise for this deferred
3707
                // If obj is provided, the promise aspect is added to the object
3708
                promise: function( obj ) {
3709
                    return obj != null ? jQuery.extend( obj, promise ) : promise;
3710
                }
3711
            },
3712
            deferred = {};
3713
3714
        // Add list-specific methods
3715
        jQuery.each( tuples, function( i, tuple ) {
3716
            var list = tuple[ 2 ],
3717
                stateString = tuple[ 5 ];
3718
3719
            // promise.progress = list.add
3720
            // promise.done = list.add
3721
            // promise.fail = list.add
3722
            promise[ tuple[ 1 ] ] = list.add;
3723
3724
            // Handle state
3725
            if ( stateString ) {
3726
                list.add(
3727
                    function() {
3728
3729
                        // state = "resolved" (i.e., fulfilled)
3730
                        // state = "rejected"
3731
                        state = stateString;
3732
                    },
3733
3734
                    // rejected_callbacks.disable
3735
                    // fulfilled_callbacks.disable
3736
                    tuples[ 3 - i ][ 2 ].disable,
3737
3738
                    // rejected_handlers.disable
3739
                    // fulfilled_handlers.disable
3740
                    tuples[ 3 - i ][ 3 ].disable,
3741
3742
                    // progress_callbacks.lock
3743
                    tuples[ 0 ][ 2 ].lock,
3744
3745
                    // progress_handlers.lock
3746
                    tuples[ 0 ][ 3 ].lock
3747
                );
3748
            }
3749
3750
            // progress_handlers.fire
3751
            // fulfilled_handlers.fire
3752
            // rejected_handlers.fire
3753
            list.add( tuple[ 3 ].fire );
3754
3755
            // deferred.notify = function() { deferred.notifyWith(...) }
3756
            // deferred.resolve = function() { deferred.resolveWith(...) }
3757
            // deferred.reject = function() { deferred.rejectWith(...) }
3758
            deferred[ tuple[ 0 ] ] = function() {
3759
                deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3760
                return this;
3761
            };
3762
3763
            // deferred.notifyWith = list.fireWith
3764
            // deferred.resolveWith = list.fireWith
3765
            // deferred.rejectWith = list.fireWith
3766
            deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3767
        } );
3768
3769
        // Make the deferred a promise
3770
        promise.promise( deferred );
3771
3772
        // Call given func if any
3773
        if ( func ) {
3774
            func.call( deferred, deferred );
3775
        }
3776
3777
        // All done!
3778
        return deferred;
3779
    },
3780
3781
    // Deferred helper
3782
    when: function( singleValue ) {
3783
        var
3784
3785
            // count of uncompleted subordinates
3786
            remaining = arguments.length,
3787
3788
            // count of unprocessed arguments
3789
            i = remaining,
3790
3791
            // subordinate fulfillment data
3792
            resolveContexts = Array( i ),
3793
            resolveValues = slice.call( arguments ),
3794
3795
            // the master Deferred
3796
            master = jQuery.Deferred(),
3797
3798
            // subordinate callback factory
3799
            updateFunc = function( i ) {
3800
                return function( value ) {
3801
                    resolveContexts[ i ] = this;
3802
                    resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3803
                    if ( !( --remaining ) ) {
3804
                        master.resolveWith( resolveContexts, resolveValues );
3805
                    }
3806
                };
3807
            };
3808
3809
        // Single- and empty arguments are adopted like Promise.resolve
3810
        if ( remaining <= 1 ) {
3811
            adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3812
                !remaining );
3813
3814
            // Use .then() to unwrap secondary thenables (cf. gh-3000)
3815
            if ( master.state() === "pending" ||
3816
                isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3817
3818
                return master.then();
3819
            }
3820
        }
3821
3822
        // Multiple arguments are aggregated like Promise.all array elements
3823
        while ( i-- ) {
3824
            adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3825
        }
3826
3827
        return master.promise();
3828
    }
3829
} );
3830
3831
3832
// These usually indicate a programmer mistake during development,
3833
// warn about them ASAP rather than swallowing them by default.
3834
var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3835
3836
jQuery.Deferred.exceptionHook = function( error, stack ) {
3837
3838
    // Support: IE 8 - 9 only
3839
    // Console exists when dev tools are open, which can happen at any time
3840
    if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3841
        window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3842
    }
3843
};
3844
3845
3846
3847
3848
jQuery.readyException = function( error ) {
3849
    window.setTimeout( function() {
3850
        throw error;
3851
    } );
3852
};
3853
3854
3855
3856
3857
// The deferred used on DOM ready
3858
var readyList = jQuery.Deferred();
3859
3860
jQuery.fn.ready = function( fn ) {
3861
3862
    readyList
3863
        .then( fn )
3864
3865
        // Wrap jQuery.readyException in a function so that the lookup
3866
        // happens at the time of error handling instead of callback
3867
        // registration.
3868
        .catch( function( error ) {
3869
            jQuery.readyException( error );
3870
        } );
3871
3872
    return this;
3873
};
3874
3875
jQuery.extend( {
3876
3877
    // Is the DOM ready to be used? Set to true once it occurs.
3878
    isReady: false,
3879
3880
    // A counter to track how many items to wait for before
3881
    // the ready event fires. See #6781
3882
    readyWait: 1,
3883
3884
    // Handle when the DOM is ready
3885
    ready: function( wait ) {
3886
3887
        // Abort if there are pending holds or we're already ready
3888
        if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3889
            return;
3890
        }
3891
3892
        // Remember that the DOM is ready
3893
        jQuery.isReady = true;
3894
3895
        // If a normal DOM Ready event fired, decrement, and wait if need be
3896
        if ( wait !== true && --jQuery.readyWait > 0 ) {
3897
            return;
3898
        }
3899
3900
        // If there are functions bound, to execute
3901
        readyList.resolveWith( document, [ jQuery ] );
3902
    }
3903
} );
3904
3905
jQuery.ready.then = readyList.then;
3906
3907
// The ready event handler and self cleanup method
3908
function completed() {
3909
    document.removeEventListener( "DOMContentLoaded", completed );
3910
    window.removeEventListener( "load", completed );
3911
    jQuery.ready();
3912
}
3913
3914
// Catch cases where $(document).ready() is called
3915
// after the browser event has already occurred.
3916
// Support: IE <=9 - 10 only
3917
// Older IE sometimes signals "interactive" too soon
3918
if ( document.readyState === "complete" ||
3919
    ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3920
3921
    // Handle it asynchronously to allow scripts the opportunity to delay ready
3922
    window.setTimeout( jQuery.ready );
3923
3924
} else {
3925
3926
    // Use the handy event callback
3927
    document.addEventListener( "DOMContentLoaded", completed );
3928
3929
    // A fallback to window.onload, that will always work
3930
    window.addEventListener( "load", completed );
3931
}
3932
3933
3934
3935
3936
// Multifunctional method to get and set values of a collection
3937
// The value/s can optionally be executed if it's a function
3938
var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3939
    var i = 0,
3940
        len = elems.length,
3941
        bulk = key == null;
3942
3943
    // Sets many values
3944
    if ( toType( key ) === "object" ) {
3945
        chainable = true;
3946
        for ( i in key ) {
3947
            access( elems, fn, i, key[ i ], true, emptyGet, raw );
3948
        }
3949
3950
    // Sets one value
3951
    } else if ( value !== undefined ) {
3952
        chainable = true;
3953
3954
        if ( !isFunction( value ) ) {
3955
            raw = true;
3956
        }
3957
3958
        if ( bulk ) {
3959
3960
            // Bulk operations run against the entire set
3961
            if ( raw ) {
3962
                fn.call( elems, value );
3963
                fn = null;
3964
3965
            // ...except when executing function values
3966
            } else {
3967
                bulk = fn;
3968
                fn = function( elem, key, value ) {
3969
                    return bulk.call( jQuery( elem ), value );
3970
                };
3971
            }
3972
        }
3973
3974
        if ( fn ) {
3975
            for ( ; i < len; i++ ) {
3976
                fn(
3977
                    elems[ i ], key, raw ?
3978
                    value :
3979
                    value.call( elems[ i ], i, fn( elems[ i ], key ) )
3980
                );
3981
            }
3982
        }
3983
    }
3984
3985
    if ( chainable ) {
3986
        return elems;
3987
    }
3988
3989
    // Gets
3990
    if ( bulk ) {
3991
        return fn.call( elems );
3992
    }
3993
3994
    return len ? fn( elems[ 0 ], key ) : emptyGet;
3995
};
3996
3997
3998
// Matches dashed string for camelizing
3999
var rmsPrefix = /^-ms-/,
4000
    rdashAlpha = /-([a-z])/g;
4001
4002
// Used by camelCase as callback to replace()
4003
function fcamelCase( all, letter ) {
4004
    return letter.toUpperCase();
4005
}
4006
4007
// Convert dashed to camelCase; used by the css and data modules
4008
// Support: IE <=9 - 11, Edge 12 - 15
4009
// Microsoft forgot to hump their vendor prefix (#9572)
4010
function camelCase( string ) {
4011
    return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4012
}
4013
var acceptData = function( owner ) {
4014
4015
    // Accepts only:
4016
    //  - Node
4017
    //    - Node.ELEMENT_NODE
4018
    //    - Node.DOCUMENT_NODE
4019
    //  - Object
4020
    //    - Any
4021
    return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4022
};
4023
4024
4025
4026
4027
function Data() {
4028
    this.expando = jQuery.expando + Data.uid++;
4029
}
4030
4031
Data.uid = 1;
4032
4033
Data.prototype = {
4034
4035
    cache: function( owner ) {
4036
4037
        // Check if the owner object already has a cache
4038
        var value = owner[ this.expando ];
4039
4040
        // If not, create one
4041
        if ( !value ) {
4042
            value = {};
4043
4044
            // We can accept data for non-element nodes in modern browsers,
4045
            // but we should not, see #8335.
4046
            // Always return an empty object.
4047
            if ( acceptData( owner ) ) {
4048
4049
                // If it is a node unlikely to be stringify-ed or looped over
4050
                // use plain assignment
4051
                if ( owner.nodeType ) {
4052
                    owner[ this.expando ] = value;
4053
4054
                // Otherwise secure it in a non-enumerable property
4055
                // configurable must be true to allow the property to be
4056
                // deleted when data is removed
4057
                } else {
4058
                    Object.defineProperty( owner, this.expando, {
4059
                        value: value,
4060
                        configurable: true
4061
                    } );
4062
                }
4063
            }
4064
        }
4065
4066
        return value;
4067
    },
4068
    set: function( owner, data, value ) {
4069
        var prop,
4070
            cache = this.cache( owner );
4071
4072
        // Handle: [ owner, key, value ] args
4073
        // Always use camelCase key (gh-2257)
4074
        if ( typeof data === "string" ) {
4075
            cache[ camelCase( data ) ] = value;
4076
4077
        // Handle: [ owner, { properties } ] args
4078
        } else {
4079
4080
            // Copy the properties one-by-one to the cache object
4081
            for ( prop in data ) {
4082
                cache[ camelCase( prop ) ] = data[ prop ];
4083
            }
4084
        }
4085
        return cache;
4086
    },
4087
    get: function( owner, key ) {
4088
        return key === undefined ?
4089
            this.cache( owner ) :
4090
4091
            // Always use camelCase key (gh-2257)
4092
            owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4093
    },
4094
    access: function( owner, key, value ) {
4095
4096
        // In cases where either:
4097
        //
4098
        //   1. No key was specified
4099
        //   2. A string key was specified, but no value provided
4100
        //
4101
        // Take the "read" path and allow the get method to determine
4102
        // which value to return, respectively either:
4103
        //
4104
        //   1. The entire cache object
4105
        //   2. The data stored at the key
4106
        //
4107
        if ( key === undefined ||
4108
                ( ( key && typeof key === "string" ) && value === undefined ) ) {
4109
4110
            return this.get( owner, key );
4111
        }
4112
4113
        // When the key is not a string, or both a key and value
4114
        // are specified, set or extend (existing objects) with either:
4115
        //
4116
        //   1. An object of properties
4117
        //   2. A key and value
4118
        //
4119
        this.set( owner, key, value );
4120
4121
        // Since the "set" path can have two possible entry points
4122
        // return the expected data based on which path was taken[*]
4123
        return value !== undefined ? value : key;
4124
    },
4125
    remove: function( owner, key ) {
4126
        var i,
4127
            cache = owner[ this.expando ];
4128
4129
        if ( cache === undefined ) {
4130
            return;
4131
        }
4132
4133
        if ( key !== undefined ) {
4134
4135
            // Support array or space separated string of keys
4136
            if ( Array.isArray( key ) ) {
4137
4138
                // If key is an array of keys...
4139
                // We always set camelCase keys, so remove that.
4140
                key = key.map( camelCase );
4141
            } else {
4142
                key = camelCase( key );
4143
4144
                // If a key with the spaces exists, use it.
4145
                // Otherwise, create an array by matching non-whitespace
4146
                key = key in cache ?
4147
                    [ key ] :
4148
                    ( key.match( rnothtmlwhite ) || [] );
4149
            }
4150
4151
            i = key.length;
4152
4153
            while ( i-- ) {
4154
                delete cache[ key[ i ] ];
4155
            }
4156
        }
4157
4158
        // Remove the expando if there's no more data
4159
        if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4160
4161
            // Support: Chrome <=35 - 45
4162
            // Webkit & Blink performance suffers when deleting properties
4163
            // from DOM nodes, so set to undefined instead
4164
            // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4165
            if ( owner.nodeType ) {
4166
                owner[ this.expando ] = undefined;
4167
            } else {
4168
                delete owner[ this.expando ];
4169
            }
4170
        }
4171
    },
4172
    hasData: function( owner ) {
4173
        var cache = owner[ this.expando ];
4174
        return cache !== undefined && !jQuery.isEmptyObject( cache );
4175
    }
4176
};
4177
var dataPriv = new Data();
4178
4179
var dataUser = new Data();
4180
4181
4182
4183
//  Implementation Summary
4184
//
4185
//  1. Enforce API surface and semantic compatibility with 1.9.x branch
4186
//  2. Improve the module's maintainability by reducing the storage
4187
//      paths to a single mechanism.
4188
//  3. Use the same single mechanism to support "private" and "user" data.
4189
//  4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4190
//  5. Avoid exposing implementation details on user objects (eg. expando properties)
4191
//  6. Provide a clear path for implementation upgrade to WeakMap in 2014
4192
4193
var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4194
    rmultiDash = /[A-Z]/g;
4195
4196
function getData( data ) {
4197
    if ( data === "true" ) {
4198
        return true;
4199
    }
4200
4201
    if ( data === "false" ) {
4202
        return false;
4203
    }
4204
4205
    if ( data === "null" ) {
4206
        return null;
4207
    }
4208
4209
    // Only convert to a number if it doesn't change the string
4210
    if ( data === +data + "" ) {
4211
        return +data;
4212
    }
4213
4214
    if ( rbrace.test( data ) ) {
4215
        return JSON.parse( data );
4216
    }
4217
4218
    return data;
4219
}
4220
4221
function dataAttr( elem, key, data ) {
4222
    var name;
4223
4224
    // If nothing was found internally, try to fetch any
4225
    // data from the HTML5 data-* attribute
4226
    if ( data === undefined && elem.nodeType === 1 ) {
4227
        name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4228
        data = elem.getAttribute( name );
4229
4230
        if ( typeof data === "string" ) {
4231
            try {
4232
                data = getData( data );
4233
            } catch ( e ) {}
4234
4235
            // Make sure we set the data so it isn't changed later
4236
            dataUser.set( elem, key, data );
4237
        } else {
4238
            data = undefined;
4239
        }
4240
    }
4241
    return data;
4242
}
4243
4244
jQuery.extend( {
4245
    hasData: function( elem ) {
4246
        return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4247
    },
4248
4249
    data: function( elem, name, data ) {
4250
        return dataUser.access( elem, name, data );
4251
    },
4252
4253
    removeData: function( elem, name ) {
4254
        dataUser.remove( elem, name );
4255
    },
4256
4257
    // TODO: Now that all calls to _data and _removeData have been replaced
4258
    // with direct calls to dataPriv methods, these can be deprecated.
4259
    _data: function( elem, name, data ) {
4260
        return dataPriv.access( elem, name, data );
4261
    },
4262
4263
    _removeData: function( elem, name ) {
4264
        dataPriv.remove( elem, name );
4265
    }
4266
} );
4267
4268
jQuery.fn.extend( {
4269
    data: function( key, value ) {
4270
        var i, name, data,
4271
            elem = this[ 0 ],
4272
            attrs = elem && elem.attributes;
4273
4274
        // Gets all values
4275
        if ( key === undefined ) {
4276
            if ( this.length ) {
4277
                data = dataUser.get( elem );
4278
4279
                if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4280
                    i = attrs.length;
4281
                    while ( i-- ) {
4282
4283
                        // Support: IE 11 only
4284
                        // The attrs elements can be null (#14894)
4285
                        if ( attrs[ i ] ) {
4286
                            name = attrs[ i ].name;
4287
                            if ( name.indexOf( "data-" ) === 0 ) {
4288
                                name = camelCase( name.slice( 5 ) );
4289
                                dataAttr( elem, name, data[ name ] );
4290
                            }
4291
                        }
4292
                    }
4293
                    dataPriv.set( elem, "hasDataAttrs", true );
4294
                }
4295
            }
4296
4297
            return data;
4298
        }
4299
4300
        // Sets multiple values
4301
        if ( typeof key === "object" ) {
4302
            return this.each( function() {
4303
                dataUser.set( this, key );
4304
            } );
4305
        }
4306
4307
        return access( this, function( value ) {
4308
            var data;
4309
4310
            // The calling jQuery object (element matches) is not empty
4311
            // (and therefore has an element appears at this[ 0 ]) and the
4312
            // `value` parameter was not undefined. An empty jQuery object
4313
            // will result in `undefined` for elem = this[ 0 ] which will
4314
            // throw an exception if an attempt to read a data cache is made.
4315
            if ( elem && value === undefined ) {
4316
4317
                // Attempt to get data from the cache
4318
                // The key will always be camelCased in Data
4319
                data = dataUser.get( elem, key );
4320
                if ( data !== undefined ) {
4321
                    return data;
4322
                }
4323
4324
                // Attempt to "discover" the data in
4325
                // HTML5 custom data-* attrs
4326
                data = dataAttr( elem, key );
4327
                if ( data !== undefined ) {
4328
                    return data;
4329
                }
4330
4331
                // We tried really hard, but the data doesn't exist.
4332
                return;
4333
            }
4334
4335
            // Set the data...
4336
            this.each( function() {
4337
4338
                // We always store the camelCased key
4339
                dataUser.set( this, key, value );
4340
            } );
4341
        }, null, value, arguments.length > 1, null, true );
4342
    },
4343
4344
    removeData: function( key ) {
4345
        return this.each( function() {
4346
            dataUser.remove( this, key );
4347
        } );
4348
    }
4349
} );
4350
4351
4352
jQuery.extend( {
4353
    queue: function( elem, type, data ) {
4354
        var queue;
4355
4356
        if ( elem ) {
4357
            type = ( type || "fx" ) + "queue";
4358
            queue = dataPriv.get( elem, type );
4359
4360
            // Speed up dequeue by getting out quickly if this is just a lookup
4361
            if ( data ) {
4362
                if ( !queue || Array.isArray( data ) ) {
4363
                    queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4364
                } else {
4365
                    queue.push( data );
4366
                }
4367
            }
4368
            return queue || [];
4369
        }
4370
    },
4371
4372
    dequeue: function( elem, type ) {
4373
        type = type || "fx";
4374
4375
        var queue = jQuery.queue( elem, type ),
4376
            startLength = queue.length,
4377
            fn = queue.shift(),
4378
            hooks = jQuery._queueHooks( elem, type ),
4379
            next = function() {
4380
                jQuery.dequeue( elem, type );
4381
            };
4382
4383
        // If the fx queue is dequeued, always remove the progress sentinel
4384
        if ( fn === "inprogress" ) {
4385
            fn = queue.shift();
4386
            startLength--;
4387
        }
4388
4389
        if ( fn ) {
4390
4391
            // Add a progress sentinel to prevent the fx queue from being
4392
            // automatically dequeued
4393
            if ( type === "fx" ) {
4394
                queue.unshift( "inprogress" );
4395
            }
4396
4397
            // Clear up the last queue stop function
4398
            delete hooks.stop;
4399
            fn.call( elem, next, hooks );
4400
        }
4401
4402
        if ( !startLength && hooks ) {
4403
            hooks.empty.fire();
4404
        }
4405
    },
4406
4407
    // Not public - generate a queueHooks object, or return the current one
4408
    _queueHooks: function( elem, type ) {
4409
        var key = type + "queueHooks";
4410
        return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4411
            empty: jQuery.Callbacks( "once memory" ).add( function() {
4412
                dataPriv.remove( elem, [ type + "queue", key ] );
4413
            } )
4414
        } );
4415
    }
4416
} );
4417
4418
jQuery.fn.extend( {
4419
    queue: function( type, data ) {
4420
        var setter = 2;
4421
4422
        if ( typeof type !== "string" ) {
4423
            data = type;
4424
            type = "fx";
4425
            setter--;
4426
        }
4427
4428
        if ( arguments.length < setter ) {
4429
            return jQuery.queue( this[ 0 ], type );
4430
        }
4431
4432
        return data === undefined ?
4433
            this :
4434
            this.each( function() {
4435
                var queue = jQuery.queue( this, type, data );
4436
4437
                // Ensure a hooks for this queue
4438
                jQuery._queueHooks( this, type );
4439
4440
                if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4441
                    jQuery.dequeue( this, type );
4442
                }
4443
            } );
4444
    },
4445
    dequeue: function( type ) {
4446
        return this.each( function() {
4447
            jQuery.dequeue( this, type );
4448
        } );
4449
    },
4450
    clearQueue: function( type ) {
4451
        return this.queue( type || "fx", [] );
4452
    },
4453
4454
    // Get a promise resolved when queues of a certain type
4455
    // are emptied (fx is the type by default)
4456
    promise: function( type, obj ) {
4457
        var tmp,
4458
            count = 1,
4459
            defer = jQuery.Deferred(),
4460
            elements = this,
4461
            i = this.length,
4462
            resolve = function() {
4463
                if ( !( --count ) ) {
4464
                    defer.resolveWith( elements, [ elements ] );
4465
                }
4466
            };
4467
4468
        if ( typeof type !== "string" ) {
4469
            obj = type;
4470
            type = undefined;
4471
        }
4472
        type = type || "fx";
4473
4474
        while ( i-- ) {
4475
            tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4476
            if ( tmp && tmp.empty ) {
4477
                count++;
4478
                tmp.empty.add( resolve );
4479
            }
4480
        }
4481
        resolve();
4482
        return defer.promise( obj );
4483
    }
4484
} );
4485
var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4486
4487
var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4488
4489
4490
var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4491
4492
var documentElement = document.documentElement;
4493
4494
4495
4496
    var isAttached = function( elem ) {
4497
            return jQuery.contains( elem.ownerDocument, elem );
4498
        },
4499
        composed = { composed: true };
4500
4501
    // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4502
    // Check attachment across shadow DOM boundaries when possible (gh-3504)
4503
    // Support: iOS 10.0-10.2 only
4504
    // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4505
    // leading to errors. We need to check for `getRootNode`.
4506
    if ( documentElement.getRootNode ) {
4507
        isAttached = function( elem ) {
4508
            return jQuery.contains( elem.ownerDocument, elem ) ||
4509
                elem.getRootNode( composed ) === elem.ownerDocument;
4510
        };
4511
    }
4512
var isHiddenWithinTree = function( elem, el ) {
4513
4514
        // isHiddenWithinTree might be called from jQuery#filter function;
4515
        // in that case, element will be second argument
4516
        elem = el || elem;
4517
4518
        // Inline style trumps all
4519
        return elem.style.display === "none" ||
4520
            elem.style.display === "" &&
4521
4522
            // Otherwise, check computed style
4523
            // Support: Firefox <=43 - 45
4524
            // Disconnected elements can have computed display: none, so first confirm that elem is
4525
            // in the document.
4526
            isAttached( elem ) &&
4527
4528
            jQuery.css( elem, "display" ) === "none";
4529
    };
4530
4531
var swap = function( elem, options, callback, args ) {
4532
    var ret, name,
4533
        old = {};
4534
4535
    // Remember the old values, and insert the new ones
4536
    for ( name in options ) {
4537
        old[ name ] = elem.style[ name ];
4538
        elem.style[ name ] = options[ name ];
4539
    }
4540
4541
    ret = callback.apply( elem, args || [] );
4542
4543
    // Revert the old values
4544
    for ( name in options ) {
4545
        elem.style[ name ] = old[ name ];
4546
    }
4547
4548
    return ret;
4549
};
4550
4551
4552
4553
4554
function adjustCSS( elem, prop, valueParts, tween ) {
4555
    var adjusted, scale,
4556
        maxIterations = 20,
4557
        currentValue = tween ?
4558
            function() {
4559
                return tween.cur();
4560
            } :
4561
            function() {
4562
                return jQuery.css( elem, prop, "" );
4563
            },
4564
        initial = currentValue(),
4565
        unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4566
4567
        // Starting value computation is required for potential unit mismatches
4568
        initialInUnit = elem.nodeType &&
4569
            ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4570
            rcssNum.exec( jQuery.css( elem, prop ) );
4571
4572
    if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4573
4574
        // Support: Firefox <=54
4575
        // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4576
        initial = initial / 2;
4577
4578
        // Trust units reported by jQuery.css
4579
        unit = unit || initialInUnit[ 3 ];
4580
4581
        // Iteratively approximate from a nonzero starting point
4582
        initialInUnit = +initial || 1;
4583
4584
        while ( maxIterations-- ) {
4585
4586
            // Evaluate and update our best guess (doubling guesses that zero out).
4587
            // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4588
            jQuery.style( elem, prop, initialInUnit + unit );
4589
            if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4590
                maxIterations = 0;
4591
            }
4592
            initialInUnit = initialInUnit / scale;
4593
4594
        }
4595
4596
        initialInUnit = initialInUnit * 2;
4597
        jQuery.style( elem, prop, initialInUnit + unit );
4598
4599
        // Make sure we update the tween properties later on
4600
        valueParts = valueParts || [];
4601
    }
4602
4603
    if ( valueParts ) {
4604
        initialInUnit = +initialInUnit || +initial || 0;
4605
4606
        // Apply relative offset (+=/-=) if specified
4607
        adjusted = valueParts[ 1 ] ?
4608
            initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4609
            +valueParts[ 2 ];
4610
        if ( tween ) {
4611
            tween.unit = unit;
4612
            tween.start = initialInUnit;
4613
            tween.end = adjusted;
4614
        }
4615
    }
4616
    return adjusted;
4617
}
4618
4619
4620
var defaultDisplayMap = {};
4621
4622
function getDefaultDisplay( elem ) {
4623
    var temp,
4624
        doc = elem.ownerDocument,
4625
        nodeName = elem.nodeName,
4626
        display = defaultDisplayMap[ nodeName ];
4627
4628
    if ( display ) {
4629
        return display;
4630
    }
4631
4632
    temp = doc.body.appendChild( doc.createElement( nodeName ) );
4633
    display = jQuery.css( temp, "display" );
4634
4635
    temp.parentNode.removeChild( temp );
4636
4637
    if ( display === "none" ) {
4638
        display = "block";
4639
    }
4640
    defaultDisplayMap[ nodeName ] = display;
4641
4642
    return display;
4643
}
4644
4645
function showHide( elements, show ) {
4646
    var display, elem,
4647
        values = [],
4648
        index = 0,
4649
        length = elements.length;
4650
4651
    // Determine new display value for elements that need to change
4652
    for ( ; index < length; index++ ) {
4653
        elem = elements[ index ];
4654
        if ( !elem.style ) {
4655
            continue;
4656
        }
4657
4658
        display = elem.style.display;
4659
        if ( show ) {
4660
4661
            // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4662
            // check is required in this first loop unless we have a nonempty display value (either
4663
            // inline or about-to-be-restored)
4664
            if ( display === "none" ) {
4665
                values[ index ] = dataPriv.get( elem, "display" ) || null;
4666
                if ( !values[ index ] ) {
4667
                    elem.style.display = "";
4668
                }
4669
            }
4670
            if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4671
                values[ index ] = getDefaultDisplay( elem );
4672
            }
4673
        } else {
4674
            if ( display !== "none" ) {
4675
                values[ index ] = "none";
4676
4677
                // Remember what we're overwriting
4678
                dataPriv.set( elem, "display", display );
4679
            }
4680
        }
4681
    }
4682
4683
    // Set the display of the elements in a second loop to avoid constant reflow
4684
    for ( index = 0; index < length; index++ ) {
4685
        if ( values[ index ] != null ) {
4686
            elements[ index ].style.display = values[ index ];
4687
        }
4688
    }
4689
4690
    return elements;
4691
}
4692
4693
jQuery.fn.extend( {
4694
    show: function() {
4695
        return showHide( this, true );
4696
    },
4697
    hide: function() {
4698
        return showHide( this );
4699
    },
4700
    toggle: function( state ) {
4701
        if ( typeof state === "boolean" ) {
4702
            return state ? this.show() : this.hide();
4703
        }
4704
4705
        return this.each( function() {
4706
            if ( isHiddenWithinTree( this ) ) {
4707
                jQuery( this ).show();
4708
            } else {
4709
                jQuery( this ).hide();
4710
            }
4711
        } );
4712
    }
4713
} );
4714
var rcheckableType = ( /^(?:checkbox|radio)$/i );
4715
4716
var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4717
4718
var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4719
4720
4721
4722
// We have to close these tags to support XHTML (#13200)
4723
var wrapMap = {
4724
4725
    // Support: IE <=9 only
4726
    option: [ 1, "<select multiple='multiple'>", "</select>" ],
4727
4728
    // XHTML parsers do not magically insert elements in the
4729
    // same way that tag soup parsers do. So we cannot shorten
4730
    // this by omitting <tbody> or other required elements.
4731
    thead: [ 1, "<table>", "</table>" ],
4732
    col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4733
    tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4734
    td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4735
4736
    _default: [ 0, "", "" ]
4737
};
4738
4739
// Support: IE <=9 only
4740
wrapMap.optgroup = wrapMap.option;
4741
4742
wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4743
wrapMap.th = wrapMap.td;
4744
4745
4746
function getAll( context, tag ) {
4747
4748
    // Support: IE <=9 - 11 only
4749
    // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4750
    var ret;
4751
4752
    if ( typeof context.getElementsByTagName !== "undefined" ) {
4753
        ret = context.getElementsByTagName( tag || "*" );
4754
4755
    } else if ( typeof context.querySelectorAll !== "undefined" ) {
4756
        ret = context.querySelectorAll( tag || "*" );
4757
4758
    } else {
4759
        ret = [];
4760
    }
4761
4762
    if ( tag === undefined || tag && nodeName( context, tag ) ) {
4763
        return jQuery.merge( [ context ], ret );
4764
    }
4765
4766
    return ret;
4767
}
4768
4769
4770
// Mark scripts as having already been evaluated
4771
function setGlobalEval( elems, refElements ) {
4772
    var i = 0,
4773
        l = elems.length;
4774
4775
    for ( ; i < l; i++ ) {
4776
        dataPriv.set(
4777
            elems[ i ],
4778
            "globalEval",
4779
            !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4780
        );
4781
    }
4782
}
4783
4784
4785
var rhtml = /<|&#?\w+;/;
4786
4787
function buildFragment( elems, context, scripts, selection, ignored ) {
4788
    var elem, tmp, tag, wrap, attached, j,
4789
        fragment = context.createDocumentFragment(),
4790
        nodes = [],
4791
        i = 0,
4792
        l = elems.length;
4793
4794
    for ( ; i < l; i++ ) {
4795
        elem = elems[ i ];
4796
4797
        if ( elem || elem === 0 ) {
4798
4799
            // Add nodes directly
4800
            if ( toType( elem ) === "object" ) {
4801
4802
                // Support: Android <=4.0 only, PhantomJS 1 only
4803
                // push.apply(_, arraylike) throws on ancient WebKit
4804
                jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4805
4806
            // Convert non-html into a text node
4807
            } else if ( !rhtml.test( elem ) ) {
4808
                nodes.push( context.createTextNode( elem ) );
4809
4810
            // Convert html into DOM nodes
4811
            } else {
4812
                tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4813
4814
                // Deserialize a standard representation
4815
                tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4816
                wrap = wrapMap[ tag ] || wrapMap._default;
4817
                tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4818
4819
                // Descend through wrappers to the right content
4820
                j = wrap[ 0 ];
4821
                while ( j-- ) {
4822
                    tmp = tmp.lastChild;
4823
                }
4824
4825
                // Support: Android <=4.0 only, PhantomJS 1 only
4826
                // push.apply(_, arraylike) throws on ancient WebKit
4827
                jQuery.merge( nodes, tmp.childNodes );
4828
4829
                // Remember the top-level container
4830
                tmp = fragment.firstChild;
4831
4832
                // Ensure the created nodes are orphaned (#12392)
4833
                tmp.textContent = "";
4834
            }
4835
        }
4836
    }
4837
4838
    // Remove wrapper from fragment
4839
    fragment.textContent = "";
4840
4841
    i = 0;
4842
    while ( ( elem = nodes[ i++ ] ) ) {
4843
4844
        // Skip elements already in the context collection (trac-4087)
4845
        if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4846
            if ( ignored ) {
4847
                ignored.push( elem );
4848
            }
4849
            continue;
4850
        }
4851
4852
        attached = isAttached( elem );
4853
4854
        // Append to fragment
4855
        tmp = getAll( fragment.appendChild( elem ), "script" );
4856
4857
        // Preserve script evaluation history
4858
        if ( attached ) {
4859
            setGlobalEval( tmp );
4860
        }
4861
4862
        // Capture executables
4863
        if ( scripts ) {
4864
            j = 0;
4865
            while ( ( elem = tmp[ j++ ] ) ) {
4866
                if ( rscriptType.test( elem.type || "" ) ) {
4867
                    scripts.push( elem );
4868
                }
4869
            }
4870
        }
4871
    }
4872
4873
    return fragment;
4874
}
4875
4876
4877
( function() {
4878
    var fragment = document.createDocumentFragment(),
4879
        div = fragment.appendChild( document.createElement( "div" ) ),
4880
        input = document.createElement( "input" );
4881
4882
    // Support: Android 4.0 - 4.3 only
4883
    // Check state lost if the name is set (#11217)
4884
    // Support: Windows Web Apps (WWA)
4885
    // `name` and `type` must use .setAttribute for WWA (#14901)
4886
    input.setAttribute( "type", "radio" );
4887
    input.setAttribute( "checked", "checked" );
4888
    input.setAttribute( "name", "t" );
4889
4890
    div.appendChild( input );
4891
4892
    // Support: Android <=4.1 only
4893
    // Older WebKit doesn't clone checked state correctly in fragments
4894
    support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4895
4896
    // Support: IE <=11 only
4897
    // Make sure textarea (and checkbox) defaultValue is properly cloned
4898
    div.innerHTML = "<textarea>x</textarea>";
4899
    support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4900
} )();
4901
4902
4903
var
4904
    rkeyEvent = /^key/,
4905
    rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4906
    rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4907
4908
function returnTrue() {
4909
    return true;
4910
}
4911
4912
function returnFalse() {
4913
    return false;
4914
}
4915
4916
// Support: IE <=9 - 11+
4917
// focus() and blur() are asynchronous, except when they are no-op.
4918
// So expect focus to be synchronous when the element is already active,
4919
// and blur to be synchronous when the element is not already active.
4920
// (focus and blur are always synchronous in other supported browsers,
4921
// this just defines when we can count on it).
4922
function expectSync( elem, type ) {
4923
    return ( elem === safeActiveElement() ) === ( type === "focus" );
4924
}
4925
4926
// Support: IE <=9 only
4927
// Accessing document.activeElement can throw unexpectedly
4928
// https://bugs.jquery.com/ticket/13393
4929
function safeActiveElement() {
4930
    try {
4931
        return document.activeElement;
4932
    } catch ( err ) { }
4933
}
4934
4935
function on( elem, types, selector, data, fn, one ) {
4936
    var origFn, type;
4937
4938
    // Types can be a map of types/handlers
4939
    if ( typeof types === "object" ) {
4940
4941
        // ( types-Object, selector, data )
4942
        if ( typeof selector !== "string" ) {
4943
4944
            // ( types-Object, data )
4945
            data = data || selector;
4946
            selector = undefined;
4947
        }
4948
        for ( type in types ) {
4949
            on( elem, type, selector, data, types[ type ], one );
4950
        }
4951
        return elem;
4952
    }
4953
4954
    if ( data == null && fn == null ) {
4955
4956
        // ( types, fn )
4957
        fn = selector;
4958
        data = selector = undefined;
4959
    } else if ( fn == null ) {
4960
        if ( typeof selector === "string" ) {
4961
4962
            // ( types, selector, fn )
4963
            fn = data;
4964
            data = undefined;
4965
        } else {
4966
4967
            // ( types, data, fn )
4968
            fn = data;
4969
            data = selector;
4970
            selector = undefined;
4971
        }
4972
    }
4973
    if ( fn === false ) {
4974
        fn = returnFalse;
4975
    } else if ( !fn ) {
4976
        return elem;
4977
    }
4978
4979
    if ( one === 1 ) {
4980
        origFn = fn;
4981
        fn = function( event ) {
4982
4983
            // Can use an empty set, since event contains the info
4984
            jQuery().off( event );
4985
            return origFn.apply( this, arguments );
4986
        };
4987
4988
        // Use same guid so caller can remove using origFn
4989
        fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4990
    }
4991
    return elem.each( function() {
4992
        jQuery.event.add( this, types, fn, data, selector );
4993
    } );
4994
}
4995
4996
/*
4997
 * Helper functions for managing events -- not part of the public interface.
4998
 * Props to Dean Edwards' addEvent library for many of the ideas.
4999
 */
5000
jQuery.event = {
5001
5002
    global: {},
5003
5004
    add: function( elem, types, handler, data, selector ) {
5005
5006
        var handleObjIn, eventHandle, tmp,
5007
            events, t, handleObj,
5008
            special, handlers, type, namespaces, origType,
5009
            elemData = dataPriv.get( elem );
5010
5011
        // Don't attach events to noData or text/comment nodes (but allow plain objects)
5012
        if ( !elemData ) {
5013
            return;
5014
        }
5015
5016
        // Caller can pass in an object of custom data in lieu of the handler
5017
        if ( handler.handler ) {
5018
            handleObjIn = handler;
5019
            handler = handleObjIn.handler;
5020
            selector = handleObjIn.selector;
5021
        }
5022
5023
        // Ensure that invalid selectors throw exceptions at attach time
5024
        // Evaluate against documentElement in case elem is a non-element node (e.g., document)
5025
        if ( selector ) {
5026
            jQuery.find.matchesSelector( documentElement, selector );
5027
        }
5028
5029
        // Make sure that the handler has a unique ID, used to find/remove it later
5030
        if ( !handler.guid ) {
5031
            handler.guid = jQuery.guid++;
5032
        }
5033
5034
        // Init the element's event structure and main handler, if this is the first
5035
        if ( !( events = elemData.events ) ) {
5036
            events = elemData.events = {};
5037
        }
5038
        if ( !( eventHandle = elemData.handle ) ) {
5039
            eventHandle = elemData.handle = function( e ) {
5040
5041
                // Discard the second event of a jQuery.event.trigger() and
5042
                // when an event is called after a page has unloaded
5043
                return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5044
                    jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5045
            };
5046
        }
5047
5048
        // Handle multiple events separated by a space
5049
        types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5050
        t = types.length;
5051
        while ( t-- ) {
5052
            tmp = rtypenamespace.exec( types[ t ] ) || [];
5053
            type = origType = tmp[ 1 ];
5054
            namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5055
5056
            // There *must* be a type, no attaching namespace-only handlers
5057
            if ( !type ) {
5058
                continue;
5059
            }
5060
5061
            // If event changes its type, use the special event handlers for the changed type
5062
            special = jQuery.event.special[ type ] || {};
5063
5064
            // If selector defined, determine special event api type, otherwise given type
5065
            type = ( selector ? special.delegateType : special.bindType ) || type;
5066
5067
            // Update special based on newly reset type
5068
            special = jQuery.event.special[ type ] || {};
5069
5070
            // handleObj is passed to all event handlers
5071
            handleObj = jQuery.extend( {
5072
                type: type,
5073
                origType: origType,
5074
                data: data,
5075
                handler: handler,
5076
                guid: handler.guid,
5077
                selector: selector,
5078
                needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5079
                namespace: namespaces.join( "." )
5080
            }, handleObjIn );
5081
5082
            // Init the event handler queue if we're the first
5083
            if ( !( handlers = events[ type ] ) ) {
5084
                handlers = events[ type ] = [];
5085
                handlers.delegateCount = 0;
5086
5087
                // Only use addEventListener if the special events handler returns false
5088
                if ( !special.setup ||
5089
                    special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5090
5091
                    if ( elem.addEventListener ) {
5092
                        elem.addEventListener( type, eventHandle );
5093
                    }
5094
                }
5095
            }
5096
5097
            if ( special.add ) {
5098
                special.add.call( elem, handleObj );
5099
5100
                if ( !handleObj.handler.guid ) {
5101
                    handleObj.handler.guid = handler.guid;
5102
                }
5103
            }
5104
5105
            // Add to the element's handler list, delegates in front
5106
            if ( selector ) {
5107
                handlers.splice( handlers.delegateCount++, 0, handleObj );
5108
            } else {
5109
                handlers.push( handleObj );
5110
            }
5111
5112
            // Keep track of which events have ever been used, for event optimization
5113
            jQuery.event.global[ type ] = true;
5114
        }
5115
5116
    },
5117
5118
    // Detach an event or set of events from an element
5119
    remove: function( elem, types, handler, selector, mappedTypes ) {
5120
5121
        var j, origCount, tmp,
5122
            events, t, handleObj,
5123
            special, handlers, type, namespaces, origType,
5124
            elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5125
5126
        if ( !elemData || !( events = elemData.events ) ) {
5127
            return;
5128
        }
5129
5130
        // Once for each type.namespace in types; type may be omitted
5131
        types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5132
        t = types.length;
5133
        while ( t-- ) {
5134
            tmp = rtypenamespace.exec( types[ t ] ) || [];
5135
            type = origType = tmp[ 1 ];
5136
            namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5137
5138
            // Unbind all events (on this namespace, if provided) for the element
5139
            if ( !type ) {
5140
                for ( type in events ) {
5141
                    jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5142
                }
5143
                continue;
5144
            }
5145
5146
            special = jQuery.event.special[ type ] || {};
5147
            type = ( selector ? special.delegateType : special.bindType ) || type;
5148
            handlers = events[ type ] || [];
5149
            tmp = tmp[ 2 ] &&
5150
                new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5151
5152
            // Remove matching events
5153
            origCount = j = handlers.length;
5154
            while ( j-- ) {
5155
                handleObj = handlers[ j ];
5156
5157
                if ( ( mappedTypes || origType === handleObj.origType ) &&
5158
                    ( !handler || handler.guid === handleObj.guid ) &&
5159
                    ( !tmp || tmp.test( handleObj.namespace ) ) &&
5160
                    ( !selector || selector === handleObj.selector ||
5161
                        selector === "**" && handleObj.selector ) ) {
5162
                    handlers.splice( j, 1 );
5163
5164
                    if ( handleObj.selector ) {
5165
                        handlers.delegateCount--;
5166
                    }
5167
                    if ( special.remove ) {
5168
                        special.remove.call( elem, handleObj );
5169
                    }
5170
                }
5171
            }
5172
5173
            // Remove generic event handler if we removed something and no more handlers exist
5174
            // (avoids potential for endless recursion during removal of special event handlers)
5175
            if ( origCount && !handlers.length ) {
5176
                if ( !special.teardown ||
5177
                    special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5178
5179
                    jQuery.removeEvent( elem, type, elemData.handle );
5180
                }
5181
5182
                delete events[ type ];
5183
            }
5184
        }
5185
5186
        // Remove data and the expando if it's no longer used
5187
        if ( jQuery.isEmptyObject( events ) ) {
5188
            dataPriv.remove( elem, "handle events" );
5189
        }
5190
    },
5191
5192
    dispatch: function( nativeEvent ) {
5193
5194
        // Make a writable jQuery.Event from the native event object
5195
        var event = jQuery.event.fix( nativeEvent );
5196
5197
        var i, j, ret, matched, handleObj, handlerQueue,
5198
            args = new Array( arguments.length ),
5199
            handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5200
            special = jQuery.event.special[ event.type ] || {};
5201
5202
        // Use the fix-ed jQuery.Event rather than the (read-only) native event
5203
        args[ 0 ] = event;
5204
5205
        for ( i = 1; i < arguments.length; i++ ) {
5206
            args[ i ] = arguments[ i ];
5207
        }
5208
5209
        event.delegateTarget = this;
5210
5211
        // Call the preDispatch hook for the mapped type, and let it bail if desired
5212
        if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5213
            return;
5214
        }
5215
5216
        // Determine handlers
5217
        handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5218
5219
        // Run delegates first; they may want to stop propagation beneath us
5220
        i = 0;
5221
        while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5222
            event.currentTarget = matched.elem;
5223
5224
            j = 0;
5225
            while ( ( handleObj = matched.handlers[ j++ ] ) &&
5226
                !event.isImmediatePropagationStopped() ) {
5227
5228
                // If the event is namespaced, then each handler is only invoked if it is
5229
                // specially universal or its namespaces are a superset of the event's.
5230
                if ( !event.rnamespace || handleObj.namespace === false ||
5231
                    event.rnamespace.test( handleObj.namespace ) ) {
5232
5233
                    event.handleObj = handleObj;
5234
                    event.data = handleObj.data;
5235
5236
                    ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5237
                        handleObj.handler ).apply( matched.elem, args );
5238
5239
                    if ( ret !== undefined ) {
5240
                        if ( ( event.result = ret ) === false ) {
5241
                            event.preventDefault();
5242
                            event.stopPropagation();
5243
                        }
5244
                    }
5245
                }
5246
            }
5247
        }
5248
5249
        // Call the postDispatch hook for the mapped type
5250
        if ( special.postDispatch ) {
5251
            special.postDispatch.call( this, event );
5252
        }
5253
5254
        return event.result;
5255
    },
5256
5257
    handlers: function( event, handlers ) {
5258
        var i, handleObj, sel, matchedHandlers, matchedSelectors,
5259
            handlerQueue = [],
5260
            delegateCount = handlers.delegateCount,
5261
            cur = event.target;
5262
5263
        // Find delegate handlers
5264
        if ( delegateCount &&
5265
5266
            // Support: IE <=9
5267
            // Black-hole SVG <use> instance trees (trac-13180)
5268
            cur.nodeType &&
5269
5270
            // Support: Firefox <=42
5271
            // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5272
            // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5273
            // Support: IE 11 only
5274
            // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5275
            !( event.type === "click" && event.button >= 1 ) ) {
5276
5277
            for ( ; cur !== this; cur = cur.parentNode || this ) {
5278
5279
                // Don't check non-elements (#13208)
5280
                // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5281
                if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5282
                    matchedHandlers = [];
5283
                    matchedSelectors = {};
5284
                    for ( i = 0; i < delegateCount; i++ ) {
5285
                        handleObj = handlers[ i ];
5286
5287
                        // Don't conflict with Object.prototype properties (#13203)
5288
                        sel = handleObj.selector + " ";
5289
5290
                        if ( matchedSelectors[ sel ] === undefined ) {
5291
                            matchedSelectors[ sel ] = handleObj.needsContext ?
5292
                                jQuery( sel, this ).index( cur ) > -1 :
5293
                                jQuery.find( sel, this, null, [ cur ] ).length;
5294
                        }
5295
                        if ( matchedSelectors[ sel ] ) {
5296
                            matchedHandlers.push( handleObj );
5297
                        }
5298
                    }
5299
                    if ( matchedHandlers.length ) {
5300
                        handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5301
                    }
5302
                }
5303
            }
5304
        }
5305
5306
        // Add the remaining (directly-bound) handlers
5307
        cur = this;
5308
        if ( delegateCount < handlers.length ) {
5309
            handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5310
        }
5311
5312
        return handlerQueue;
5313
    },
5314
5315
    addProp: function( name, hook ) {
5316
        Object.defineProperty( jQuery.Event.prototype, name, {
5317
            enumerable: true,
5318
            configurable: true,
5319
5320
            get: isFunction( hook ) ?
5321
                function() {
5322
                    if ( this.originalEvent ) {
5323
                            return hook( this.originalEvent );
5324
                    }
5325
                } :
5326
                function() {
5327
                    if ( this.originalEvent ) {
5328
                            return this.originalEvent[ name ];
5329
                    }
5330
                },
5331
5332
            set: function( value ) {
5333
                Object.defineProperty( this, name, {
5334
                    enumerable: true,
5335
                    configurable: true,
5336
                    writable: true,
5337
                    value: value
5338
                } );
5339
            }
5340
        } );
5341
    },
5342
5343
    fix: function( originalEvent ) {
5344
        return originalEvent[ jQuery.expando ] ?
5345
            originalEvent :
5346
            new jQuery.Event( originalEvent );
5347
    },
5348
5349
    special: {
5350
        load: {
5351
5352
            // Prevent triggered image.load events from bubbling to window.load
5353
            noBubble: true
5354
        },
5355
        click: {
5356
5357
            // Utilize native event to ensure correct state for checkable inputs
5358
            setup: function( data ) {
5359
5360
                // For mutual compressibility with _default, replace `this` access with a local var.
5361
                // `|| data` is dead code meant only to preserve the variable through minification.
5362
                var el = this || data;
5363
5364
                // Claim the first handler
5365
                if ( rcheckableType.test( el.type ) &&
5366
                    el.click && nodeName( el, "input" ) ) {
5367
5368
                    // dataPriv.set( el, "click", ... )
5369
                    leverageNative( el, "click", returnTrue );
5370
                }
5371
5372
                // Return false to allow normal processing in the caller
5373
                return false;
5374
            },
5375
            trigger: function( data ) {
5376
5377
                // For mutual compressibility with _default, replace `this` access with a local var.
5378
                // `|| data` is dead code meant only to preserve the variable through minification.
5379
                var el = this || data;
5380
5381
                // Force setup before triggering a click
5382
                if ( rcheckableType.test( el.type ) &&
5383
                    el.click && nodeName( el, "input" ) ) {
5384
5385
                    leverageNative( el, "click" );
5386
                }
5387
5388
                // Return non-false to allow normal event-path propagation
5389
                return true;
5390
            },
5391
5392
            // For cross-browser consistency, suppress native .click() on links
5393
            // Also prevent it if we're currently inside a leveraged native-event stack
5394
            _default: function( event ) {
5395
                var target = event.target;
5396
                return rcheckableType.test( target.type ) &&
5397
                    target.click && nodeName( target, "input" ) &&
5398
                    dataPriv.get( target, "click" ) ||
5399
                    nodeName( target, "a" );
5400
            }
5401
        },
5402
5403
        beforeunload: {
5404
            postDispatch: function( event ) {
5405
5406
                // Support: Firefox 20+
5407
                // Firefox doesn't alert if the returnValue field is not set.
5408
                if ( event.result !== undefined && event.originalEvent ) {
5409
                    event.originalEvent.returnValue = event.result;
5410
                }
5411
            }
5412
        }
5413
    }
5414
};
5415
5416
// Ensure the presence of an event listener that handles manually-triggered
5417
// synthetic events by interrupting progress until reinvoked in response to
5418
// *native* events that it fires directly, ensuring that state changes have
5419
// already occurred before other listeners are invoked.
5420
function leverageNative( el, type, expectSync ) {
5421
5422
    // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5423
    if ( !expectSync ) {
5424
        if ( dataPriv.get( el, type ) === undefined ) {
5425
            jQuery.event.add( el, type, returnTrue );
5426
        }
5427
        return;
5428
    }
5429
5430
    // Register the controller as a special universal handler for all event namespaces
5431
    dataPriv.set( el, type, false );
5432
    jQuery.event.add( el, type, {
5433
        namespace: false,
5434
        handler: function( event ) {
5435
            var notAsync, result,
5436
                saved = dataPriv.get( this, type );
5437
5438
            if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5439
5440
                // Interrupt processing of the outer synthetic .trigger()ed event
5441
                // Saved data should be false in such cases, but might be a leftover capture object
5442
                // from an async native handler (gh-4350)
5443
                if ( !saved.length ) {
5444
5445
                    // Store arguments for use when handling the inner native event
5446
                    // There will always be at least one argument (an event object), so this array
5447
                    // will not be confused with a leftover capture object.
5448
                    saved = slice.call( arguments );
5449
                    dataPriv.set( this, type, saved );
5450
5451
                    // Trigger the native event and capture its result
5452
                    // Support: IE <=9 - 11+
5453
                    // focus() and blur() are asynchronous
5454
                    notAsync = expectSync( this, type );
5455
                    this[ type ]();
5456
                    result = dataPriv.get( this, type );
5457
                    if ( saved !== result || notAsync ) {
5458
                        dataPriv.set( this, type, false );
5459
                    } else {
5460
                        result = {};
5461
                    }
5462
                    if ( saved !== result ) {
5463
5464
                        // Cancel the outer synthetic event
5465
                        event.stopImmediatePropagation();
5466
                        event.preventDefault();
5467
                        return result.value;
5468
                    }
5469
5470
                // If this is an inner synthetic event for an event with a bubbling surrogate
5471
                // (focus or blur), assume that the surrogate already propagated from triggering the
5472
                // native event and prevent that from happening again here.
5473
                // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5474
                // bubbling surrogate propagates *after* the non-bubbling base), but that seems
5475
                // less bad than duplication.
5476
                } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5477
                    event.stopPropagation();
5478
                }
5479
5480
            // If this is a native event triggered above, everything is now in order
5481
            // Fire an inner synthetic event with the original arguments
5482
            } else if ( saved.length ) {
5483
5484
                // ...and capture the result
5485
                dataPriv.set( this, type, {
5486
                    value: jQuery.event.trigger(
5487
5488
                        // Support: IE <=9 - 11+
5489
                        // Extend with the prototype to reset the above stopImmediatePropagation()
5490
                        jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5491
                        saved.slice( 1 ),
5492
                        this
5493
                    )
5494
                } );
5495
5496
                // Abort handling of the native event
5497
                event.stopImmediatePropagation();
5498
            }
5499
        }
5500
    } );
5501
}
5502
5503
jQuery.removeEvent = function( elem, type, handle ) {
5504
5505
    // This "if" is needed for plain objects
5506
    if ( elem.removeEventListener ) {
5507
        elem.removeEventListener( type, handle );
5508
    }
5509
};
5510
5511
jQuery.Event = function( src, props ) {
5512
5513
    // Allow instantiation without the 'new' keyword
5514
    if ( !( this instanceof jQuery.Event ) ) {
5515
        return new jQuery.Event( src, props );
5516
    }
5517
5518
    // Event object
5519
    if ( src && src.type ) {
5520
        this.originalEvent = src;
5521
        this.type = src.type;
5522
5523
        // Events bubbling up the document may have been marked as prevented
5524
        // by a handler lower down the tree; reflect the correct value.
5525
        this.isDefaultPrevented = src.defaultPrevented ||
5526
                src.defaultPrevented === undefined &&
5527
5528
                // Support: Android <=2.3 only
5529
                src.returnValue === false ?
5530
            returnTrue :
5531
            returnFalse;
5532
5533
        // Create target properties
5534
        // Support: Safari <=6 - 7 only
5535
        // Target should not be a text node (#504, #13143)
5536
        this.target = ( src.target && src.target.nodeType === 3 ) ?
5537
            src.target.parentNode :
5538
            src.target;
5539
5540
        this.currentTarget = src.currentTarget;
5541
        this.relatedTarget = src.relatedTarget;
5542
5543
    // Event type
5544
    } else {
5545
        this.type = src;
5546
    }
5547
5548
    // Put explicitly provided properties onto the event object
5549
    if ( props ) {
5550
        jQuery.extend( this, props );
5551
    }
5552
5553
    // Create a timestamp if incoming event doesn't have one
5554
    this.timeStamp = src && src.timeStamp || Date.now();
5555
5556
    // Mark it as fixed
5557
    this[ jQuery.expando ] = true;
5558
};
5559
5560
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5561
// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5562
jQuery.Event.prototype = {
5563
    constructor: jQuery.Event,
5564
    isDefaultPrevented: returnFalse,
5565
    isPropagationStopped: returnFalse,
5566
    isImmediatePropagationStopped: returnFalse,
5567
    isSimulated: false,
5568
5569
    preventDefault: function() {
5570
        var e = this.originalEvent;
5571
5572
        this.isDefaultPrevented = returnTrue;
5573
5574
        if ( e && !this.isSimulated ) {
5575
            e.preventDefault();
5576
        }
5577
    },
5578
    stopPropagation: function() {
5579
        var e = this.originalEvent;
5580
5581
        this.isPropagationStopped = returnTrue;
5582
5583
        if ( e && !this.isSimulated ) {
5584
            e.stopPropagation();
5585
        }
5586
    },
5587
    stopImmediatePropagation: function() {
5588
        var e = this.originalEvent;
5589
5590
        this.isImmediatePropagationStopped = returnTrue;
5591
5592
        if ( e && !this.isSimulated ) {
5593
            e.stopImmediatePropagation();
5594
        }
5595
5596
        this.stopPropagation();
5597
    }
5598
};
5599
5600
// Includes all common event props including KeyEvent and MouseEvent specific props
5601
jQuery.each( {
5602
    altKey: true,
5603
    bubbles: true,
5604
    cancelable: true,
5605
    changedTouches: true,
5606
    ctrlKey: true,
5607
    detail: true,
5608
    eventPhase: true,
5609
    metaKey: true,
5610
    pageX: true,
5611
    pageY: true,
5612
    shiftKey: true,
5613
    view: true,
5614
    "char": true,
5615
    code: true,
5616
    charCode: true,
5617
    key: true,
5618
    keyCode: true,
5619
    button: true,
5620
    buttons: true,
5621
    clientX: true,
5622
    clientY: true,
5623
    offsetX: true,
5624
    offsetY: true,
5625
    pointerId: true,
5626
    pointerType: true,
5627
    screenX: true,
5628
    screenY: true,
5629
    targetTouches: true,
5630
    toElement: true,
5631
    touches: true,
5632
5633
    which: function( event ) {
5634
        var button = event.button;
5635
5636
        // Add which for key events
5637
        if ( event.which == null && rkeyEvent.test( event.type ) ) {
5638
            return event.charCode != null ? event.charCode : event.keyCode;
5639
        }
5640
5641
        // Add which for click: 1 === left; 2 === middle; 3 === right
5642
        if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5643
            if ( button & 1 ) {
5644
                return 1;
5645
            }
5646
5647
            if ( button & 2 ) {
5648
                return 3;
5649
            }
5650
5651
            if ( button & 4 ) {
5652
                return 2;
5653
            }
5654
5655
            return 0;
5656
        }
5657
5658
        return event.which;
5659
    }
5660
}, jQuery.event.addProp );
5661
5662
jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5663
    jQuery.event.special[ type ] = {
5664
5665
        // Utilize native event if possible so blur/focus sequence is correct
5666
        setup: function() {
5667
5668
            // Claim the first handler
5669
            // dataPriv.set( this, "focus", ... )
5670
            // dataPriv.set( this, "blur", ... )
5671
            leverageNative( this, type, expectSync );
5672
5673
            // Return false to allow normal processing in the caller
5674
            return false;
5675
        },
5676
        trigger: function() {
5677
5678
            // Force setup before trigger
5679
            leverageNative( this, type );
5680
5681
            // Return non-false to allow normal event-path propagation
5682
            return true;
5683
        },
5684
5685
        delegateType: delegateType
5686
    };
5687
} );
5688
5689
// Create mouseenter/leave events using mouseover/out and event-time checks
5690
// so that event delegation works in jQuery.
5691
// Do the same for pointerenter/pointerleave and pointerover/pointerout
5692
//
5693
// Support: Safari 7 only
5694
// Safari sends mouseenter too often; see:
5695
// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5696
// for the description of the bug (it existed in older Chrome versions as well).
5697
jQuery.each( {
5698
    mouseenter: "mouseover",
5699
    mouseleave: "mouseout",
5700
    pointerenter: "pointerover",
5701
    pointerleave: "pointerout"
5702
}, function( orig, fix ) {
5703
    jQuery.event.special[ orig ] = {
5704
        delegateType: fix,
5705
        bindType: fix,
5706
5707
        handle: function( event ) {
5708
            var ret,
5709
                target = this,
5710
                related = event.relatedTarget,
5711
                handleObj = event.handleObj;
5712
5713
            // For mouseenter/leave call the handler if related is outside the target.
5714
            // NB: No relatedTarget if the mouse left/entered the browser window
5715
            if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5716
                event.type = handleObj.origType;
5717
                ret = handleObj.handler.apply( this, arguments );
5718
                event.type = fix;
5719
            }
5720
            return ret;
5721
        }
5722
    };
5723
} );
5724
5725
jQuery.fn.extend( {
5726
5727
    on: function( types, selector, data, fn ) {
5728
        return on( this, types, selector, data, fn );
5729
    },
5730
    one: function( types, selector, data, fn ) {
5731
        return on( this, types, selector, data, fn, 1 );
5732
    },
5733
    off: function( types, selector, fn ) {
5734
        var handleObj, type;
5735
        if ( types && types.preventDefault && types.handleObj ) {
5736
5737
            // ( event )  dispatched jQuery.Event
5738
            handleObj = types.handleObj;
5739
            jQuery( types.delegateTarget ).off(
5740
                handleObj.namespace ?
5741
                    handleObj.origType + "." + handleObj.namespace :
5742
                    handleObj.origType,
5743
                handleObj.selector,
5744
                handleObj.handler
5745
            );
5746
            return this;
5747
        }
5748
        if ( typeof types === "object" ) {
5749
5750
            // ( types-object [, selector] )
5751
            for ( type in types ) {
5752
                this.off( type, selector, types[ type ] );
5753
            }
5754
            return this;
5755
        }
5756
        if ( selector === false || typeof selector === "function" ) {
5757
5758
            // ( types [, fn] )
5759
            fn = selector;
5760
            selector = undefined;
5761
        }
5762
        if ( fn === false ) {
5763
            fn = returnFalse;
5764
        }
5765
        return this.each( function() {
5766
            jQuery.event.remove( this, types, fn, selector );
5767
        } );
5768
    }
5769
} );
5770
5771
5772
var
5773
5774
    /* eslint-disable max-len */
5775
5776
    // See https://github.com/eslint/eslint/issues/3229
5777
    rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5778
5779
    /* eslint-enable */
5780
5781
    // Support: IE <=10 - 11, Edge 12 - 13 only
5782
    // In IE/Edge using regex groups here causes severe slowdowns.
5783
    // See https://connect.microsoft.com/IE/feedback/details/1736512/
5784
    rnoInnerhtml = /<script|<style|<link/i,
5785
5786
    // checked="checked" or checked
5787
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5788
    rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5789
5790
// Prefer a tbody over its parent table for containing new rows
5791
function manipulationTarget( elem, content ) {
5792
    if ( nodeName( elem, "table" ) &&
5793
        nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5794
5795
        return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5796
    }
5797
5798
    return elem;
5799
}
5800
5801
// Replace/restore the type attribute of script elements for safe DOM manipulation
5802
function disableScript( elem ) {
5803
    elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5804
    return elem;
5805
}
5806
function restoreScript( elem ) {
5807
    if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5808
        elem.type = elem.type.slice( 5 );
5809
    } else {
5810
        elem.removeAttribute( "type" );
5811
    }
5812
</