各浏览器对link标签onload/onreadystatechange事件支持的差异分析_javascript技巧

<script> <BR>function createEl(type, attrs){ <BR>var el = document.createElement(type), <BR>attr; <BR>for(attr in attrs){ <BR>if(attrs.hasOwnProperty(attr)){ <BR>el.setAttribute(attr, attrs[attr]); <BR>} <BR>} <BR>return el; <BR>} <BR>var link = createEl('link', { <BR>href : 'http://i3.sinaimg.cn/rny/webface/login/css/login101021_min.css', <BR>rel : 'stylesheet', <BR>type : 'text/css' <BR>}); <BR>link.onreadystatechange = function(){ <BR>alert(this) <BR>} <BR>document.getElementsByTagName('head')[0].appendChild(link); <BR></script>