<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<script>
var browser=""
var version=""
var ua=navigator.userAgent;//版本信息
//先判断别人没有的
if(ua.indexOf("MSIE")!=-1)//MSIE Trident
browser="IE";
else if(ua.indexOf("Trident")!=-1){//Trident
browser="IE"
version="11"
}
else if(ua.indexOf("Firefox")!=-1)//Firefox
browser="Firefox";
else if(ua.indexOf("OPR")!=-1)//OPR Safari Chrome
browser="Opera";
else if(ua.indexOf("Chrome")!=-1)//Safari Chrome
browser="Chrome"
else if(ua.indexOf("Safari")!=-1)//Safari
browser="Safari"
if(browser=="Opera"){
var start=ua.indexOf("OPR")+"OPR".length+1;
}else{
var start=ua.indexOf(browser)+browser.length+1;
}
version=parseInt(ua.slice(start,start+3))
document.write("浏览器："+browser+"，版本："+version)
</script>
</body>
</html>
鉴定浏览器类型和版本
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转载自blog.csdn.net/weixin_44494811/article/details/88144325
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