包括IE,FF,safari,chrome,opera主流浏览器的检测
JavaScript代码
- ie = '\v'=='v';
- ie = !!top.execScript;
- ie = /*@cc_on!@*/!1;
- ie8 = !!window.XDomainRequest;
- IEVersion = 0/*@cc_on+ScriptEngineMajorVersion()@*/;
- ff = /a/[-1]=='a';
- ff3 = (function x(){})[-5]=='x';
- ff2 = (function x(){})[-6]=='x';
- safari=/a/.__proto__=='//';
- chrome=/source/.test((/a/.toString+''));
- opera=/^function \(/.test([].sort);