判断Ie浏览器

ie8以下

if(!+[1,])

if(window.attachEvent){ alert("ie")}else if(window.addEventListener){alert("not ie")}else{alert("不支持DHTML")}

ie6

if(document.all)

ie浏览器 !ie 浏览器

var navigatorName = "Microsoft Internet Explorer";var isIE = false;if( navigator.appName == navigatorName ){isIE = true;alert("ie")}else{alert("not ie")}