<html xmlns="http://www.w3.org/1999/xhtml" >
<SCRIPT LANGUAGE="JavaScript">
function IsIE()
{
if (window.navigator.userAgent.indexOf("MSIE")>=1)//如果浏览器为IE{alert("IE浏览器");
}else //如果浏览器为Firefox{if (window.navigator.userAgent.indexOf("Firefox")>=1){alert("Fixfox浏览器");}}
}</script><head runat="server"> <title>判断浏览器类型</title></head><body onload="IsIE();"> <form id="form1" runat="server"> <div> </div> </form></body></html>