Lydiafly

Coder，Like JS

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[转]iframe异步加载 

(function(d) {
    var iframe = d.body.appendChild(d.createElement('iframe')),
    doc = iframe.contentWindow.document;
 
    // style the iframe with some CSS
    iframe.style.cssText = "position:absolute;width:200px;height:100px;left:0px;";
 
    doc.open().write('<body onload="' + 'var d = document;d.getElementsByTagName(\'head\')[0].' + 'appendChild(d.createElement(\'script\')).src' + '=\'\/path\/to\/file\'">');
 
    doc.close(); //iframe onload event happens
})(document);

　　

http://www.cnblogs.com/beiyuu/archive/2011/07/18/iframe-tech-performance.html

posted on 2013-03-14 11:15  lydiafly  阅读(2508)  评论(0)  编辑  收藏  举报