jquery预加载图片详解编程语言

(function($) { 
  var cache = []; 
  // Arguments are image paths relative to the current page. 
  $.preLoadImages = function() { 
    var args_len = arguments.length; 
    for (var i = args_len; i--;) { 
      var cacheImage = document.createElement('img'); 
      cacheImage.src = arguments[i]; 
      cache.push(cacheImage); 
    } 
  } 
jQuery.preLoadImages("image1.gif", "/path/to/image2.png");