JavaScript preload() function

/*!
 * JavaScript preload() function
 * Preload images, CSS and JavaScript files without executing them
 * Script by Stoyan Stefanov – http://www.phpied.com/preload-cssjavascript-without-execution/
 * Slightly rewritten by Mathias Bynens – http://mathiasbynens.be/
 * Demo: http://mathiasbynens.be/demo/javascript-preload
 */

function preload(arr) {
 var i = arr.length,
     o,
     d = document,
     b = d.body,
     isIE = /*@cc_on!@*/0;
 while (i--) {
  if (isIE) {
   new Image().src = arr[i];
   continue;
  };
  o = d.createElement('object');
  o.data = arr[i];
  o.width = o.height = 0;
  b.appendChild(o);
 };
};

// Example:

preload([
 'http://tools.w3clubs.com/pagr2/1.sleep.expires.png',
 'http://tools.w3clubs.com/pagr2/1.sleep.expires.js',
 'http://tools.w3clubs.com/pagr2/1.sleep.expires.css'
]);

jQuery#preload

/*!
 * $.preload() function for jQuery
 * Preload images, CSS and JavaScript files without executing them
 * Script by Stoyan Stefanov – http://www.phpied.com/preload-cssjavascript-without-execution/
 * Slightly rewritten by Mathias Bynens – http://mathiasbynens.be/
 * Demo: http://mathiasbynens.be/demo/javascript-preload
 * Note that since this script relies on jQuery, the preloading process will not start until jQuery has finished loading.
 */

$.extend({
 preload: function(arr) {
  var i = arr.length,
      isIE = $.browser.msie,
      d = document,
      b = d.body,
      o;
  while (i--) {
   if (isIE) {
    new Image().src = arr[i];
    continue;
   };
   o = d.createElement('object');
   o.data = arr[i];
   o.width = o.height = 0;
   b.appendChild(o);
  };
 }
});

// Example:

$(function() {
 $.preload([
  'http://tools.w3clubs.com/pagr2/1.sleep.expires.png',
  'http://tools.w3clubs.com/pagr2/1.sleep.expires.js',
  'http://tools.w3clubs.com/pagr2/1.sleep.expires.css'
 ]);
});