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[转载]JS代码判断IE6,IE7,IE8,IE9!

2020-03-08学海无涯

JS代码判断浏览器版本,支持IE6,IE7,IE8,IE9!做网页有时候会用到JS检测IE的版本,下面是检测Microsoft Internet Explorer版本的三种代码

第一种方式:


<script type="text/javascript">  
var browser=navigator.appName  
var b_version=navigator.appVersion  
var version=b_version.split(";");  
var trim_Version=version[1].replace(/[ ]/g,"");  
if(browser=="Microsoft Internet Explorer" && trim_Version=="MSIE6.0")  
{  
alert("IE 6.0");  
}  
else if(browser=="Microsoft Internet Explorer" && trim_Version=="MSIE7.0")  
{  
alert("IE 7.0");  
}  
else if(browser=="Microsoft Internet Explorer" && trim_Version=="MSIE8.0")  
{  
alert("IE 8.0");  
}  
else if(browser=="Microsoft Internet Explorer" && trim_Version=="MSIE9.0")  
{  
alert("IE 9.0");  
}  
</script> 
第二种方式:



<script type="text/javascript">  
if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion .split(";")[1].replace(/[ ]/g,"")=="MSIE6.0")  
{  
alert("IE 6.0");  
}  
else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion .split(";")[1].replace(/[ ]/g,"")=="MSIE7.0")  
{  
alert("IE 7.0");  
}  
else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion .split(";")[1].replace(/[ ]/g,"")=="MSIE8.0")  
{  
alert("IE 8.0");  
}  
else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion .split(";")[1].replace(/[ ]/g,"")=="MSIE9.0")  
{  
alert("IE 9.0");  
}  
</script> 
第三种方式:



<script type="text/javascript">  
if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match(/7./i)=="7.")  
{  
alert("IE 7.0");  
}  
else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match(/8./i)=="8.")  
{  
alert("IE 8.0");  
}  
else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match(/9./i)=="9.")  
{  
alert("IE 9.0");  
}  
else if(navigator.appName == "Microsoft Internet Explorer")  
{  
alert("IE 6.0");  
}  
</script>