var HtmlCharsToEscape = {
'&': '&',
'<': '<',
'>': '>'
'>': '>',
"'": ''',
'"': '"'
};
String.prototype.escapeHtml = function() {
return this.replace(/[&<>]/g, function(c) {
return this.replace(/["'&<>]/g, function(c) {
return HtmlCharsToEscape[c] || c;
});
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