jquery获得浏览器

var bro=$.browser;

    var binfo="";

    if(bro.msie) {binfo="Microsoft Internet Explorer "+bro.version;}

    if(bro.mozilla) {binfo="Mozilla Firefox "+bro.version;}

    if(bro.safari) {binfo="Apple Safari "+bro.version;}//谷歌

    if(bro.opera) {binfo="Opera "+bro.version;}