ie8以下版本（包括ie8）的浏览器不支持html5标签属性解决方案

<script>

(function() {

if (!

/*@cc_on!@*/

0) return;

var e = "abbr, article, aside, audio, canvas, datalist, details, dialog, eventsource, figure, footer, header, hgroup, mark, menu, meter, nav, output, progress, section,
time, video".split(', ');

var i= e.length;

while (i--){

document.createElement(e[i])

}

})()

</script>