先上程式碼  用js建立新的標籤元素，使ie支援html5新標籤

<script type="text/javascript">
<!--
   (function() {
     if (!
     /*@[email protected]*/
     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>
 

if(!/*@[email protected]*/0)    IE11一下執行此程式碼

If your browser doesn't know conditional compilation (other than IE < 11), the expression will be:

if(!0)// ==> TRUE

otherwise it will be:

if(!!0)// ==> FALSE

/*@cc_on @*//*@
    document.write("JavaScript version: " + @_jscript_version + ".");
    document.write("<br />");
    @if (@_win32)
        document.write("Running on the 32-bit version of Windows.");
    @elif (@_win16)
        document.write("Running on the 16-bit version of Windows.");
    @else
        document.write("Running on a different operating system.");
    @end
@*/
 

檢測瀏覽器是不是ie的方法

var isIE = !!document.all && document.uniqueID;

var isIE = navigator.userAgent.indexOf("MSIE") > -1;

//from MooTools 1.1.2
if (window.ActiveXObject) window.ie = window[window.XMLHttpRequest ? 'ie7' : 'ie6'] = true;
else if (document.childNodes && !document.all && !navigator.taintEnabled) window.webkit = window[window.xpath ? 'webkit420' : 'webkit419'] = true;
else if (document.getBoxObjectFor != null || window.mozInnerScreenX != null) window.gecko = true;