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var a = document.createElement('a');
a.href = url;

// any property of window.location works here:
document.write('The hostname of ' + url + ' is ' + a.hostname);

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html="<a href='"+url+"'>"+text+"</a>" // before
html=text.link(url)                   // after

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String.prototype.addSlashes = function()
{return this.replace(/[\\"']/g, '\\$&').replace(/\u0000/g, '\\0');};

String.prototype.stripSlashes = function()
{return this.replace(/\\(.?)/g, function (s, n1){switch (n1){case '\\':return '\\';case '0':return '\u0000';case '':return '';default:return n1;}});};

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HTMLAudioElement.prototype.stop=function(){this.pause();this.currentTime=0};

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var MD5 = function (string) {

   function RotateLeft(lValue, iShiftBits) {
           return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
   }

   function AddUnsigned(lX,lY) {
           var lX4,lY4,lX8,lY8,lResult;
           lX8 = (lX & 0x80000000);
           lY8 = (lY & 0x80000000);

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/**
 * Array.prototype.[method name] allows you to define/overwrite an objects method
 * needle is the item you are searching for
 * this is a special variable that refers to "this" instance of an Array.
 * returns true if needle is in the array, and false otherwise
 */
Array.prototype.contains = function ( needle ) {
   for (i in this) {
       if (this[i] == needle) return true;
   }

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var randomColor = Math.floor(Math.random()*16777215).toString(16);

var ramdomColor = '#'+Math.round(0xffffff * Math.random()).toString(16);

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function htmlEntities(str) {
    return String(str).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
}

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#spinner {
  top:50%;
  left:50%;
  width:32px;
  height:0;
  margin:-16px 0 0 -16px;
  padding-top:32px;
  position:absolute;
  overflow:hidden;
  * {

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if (window.matchMedia('only screen and (max-device-width: 480px)').matches) {
  // Asynchronously load iphone.js
} else if (window.matchMedia('only screen and (min-device-width: 481px) and ' +
                              '(max-device-width: 1024px) and ' +
                              '(orientation: portrait)').matches) {
  // Asynchronously load ipad-portrait.js
}