jquery获取浏览器类型和版本号

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<script type="text/javascript">

$(document).ready(function(){

   var brow=$.browser;

   var bInfo="";

   if(brow.msie) {bInfo="Microsoft Internet Explorer "+brow.version;}

   if(brow.mozilla) {bInfo="Mozilla Firefox "+brow.version;}

   if(brow.safari) {bInfo="Apple Safari "+brow.version;}

   if(brow.opera) {bInfo="Opera "+brow.version;}

      alert(bInfo);

   $("#browser").html(bInfo);

})

</script>