function detectBrowser()
{
var browser=navigator.appName
var b_version=navigator.appVersion
var version=parseFloat(b_version)
if ((browser=="Netscape"||browser=="Microsoft Internet Explorer")
}
{
var browser=navigator.appName
var b_version=navigator.appVersion
var version=parseFloat(b_version)
if ((browser=="Netscape"||browser=="Microsoft Internet Explorer")
}
else if (window.ActiveXObject) IE ...
else if (!navigator.taintEnabled) Webkit...
else if (document.getBoxObjectFor != null) Gecko...
...
<script>
var navigatorName = navigator.appName;
if(navigatorName=="Microsoft Internet Explorer")
{
alert("IE");
}else
{
alert("other");
}
</script>
检测这个值的返回值么
不太懂,详细讲讲