var myImage = (function(){ var imgNode = document.createElement( 'img' ); document.body.appendChild( imgNode ); return { setSrc: function( src ){ imgNode.src = src; } } })();
var proxyImage = (function(){ var img = new Image; img.onload = function(){ myImage.setSrc( this.src ); } return { setSrc: function( src ){ myImage.setSrc( 'file:// /C:/Users/svenzeng/Desktop/loading.gif' ); img.src = src; } } })(); proxyImage.setSrc( 'http:// imgcache.qq.com/music/photo/k/000GGDys0yA0Nk.jpg' );