html5的在ie6,7,8兼容
<script> //html5 标签 (function () { if (!/*@cc_on!@*/0) return; var html5 = "abbr,article,aside,audio,bb,canvas,datagrid,datalist,details,dialog,eventsource,figure,footer,hgroup,header,mark,menu,meter,nav,output,progress,section,time,video".split(','); for (var i in html5) { document.createElement(html5[i]); } })(); </script> <![endif]-->