转载：http://www.jb51.net/article/79764.htm （包含当前主流浏览器）
效果图：
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!-- 引用百度JQuery -->
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
<script type = "text/javascript" >
var BrowserMatch = {
init: function() {
this.browser = this.getBrowser().browser || "An Unknown Browser";
this.version = this.getBrowser().version || "An Unknown Version";
this.OS = this.getOS() || "An Unknown OS";
},
getOS: function() {
if (navigator.platform.indexOf("Win") != -1) return "Windows";
if (navigator.platform.indexOf("Mac") != -1) return "Mac";
if (navigator.platform.indexOf("Linux") != -1) return "Linux";
if (navigator.userAgent.indexOf("iPhone") != -1) return "iPhone/iPod";
},
getBrowser: function() {
var rMsie = /(msie\s|trident\/7)([\w\.]+)/;
var rTrident = /(trident)\/([\w.]+)/;
var rFirefox = /(firefox)\/([\w.]+)/;
var rOpera = /(opera).+version\/([\w.]+)/;
var rNewOpera = /(opr)\/(.+)/;
var rChrome = /(chrome)\/([\w.]+)/;
var rSafari = /version\/([\w.]+).*(safari)/;
var ua = navigator.userAgent.toLowerCase();
var matchBS, matchBS2;
matchBS = rMsie.exec(ua);
if (matchBS != null) {
matchBS2 = rTrident.exec(ua);
if (matchBS2 != null) {
switch (matchBS2[2]) {
case "4.0":
return {
browser:
"IE",
version: "8"
};
break;
case "5.0":
return {
browser:
"IE",
version: "9"
};
break;
case "6.0":
return {
browser:
"IE",
version: "10"
};
break;
case "7.0":
return {
browser:
"IE",
version: "11"
};
break;
default:
return {
browser:
"IE",
version: "Undefined"
};
}
} else {
return {
browser: "IE",
version: matchBS[2] || "0"
};
}
}
matchBS = rFirefox.exec(ua);
if ((matchBS != null) && (!(window.attachEvent)) && (!(window.chrome)) && (!(window.opera))) {
return {
browser: matchBS[1] || "",
version: matchBS[2] || "0"
};
}
matchBS = rOpera.exec(ua);
if ((matchBS != null) && (!(window.attachEvent))) {
return {
browser: matchBS[1] || "",
version: matchBS[2] || "0"
};
}
matchBS = rChrome.exec(ua);
if ((matchBS != null) && ( !! (window.chrome)) && (!(window.attachEvent))) {
matchBS2 = rNewOpera.exec(ua);
if (matchBS2 == null) {
return {
browser: matchBS[1] || "",
version: matchBS[2] || "0"
};
} else {
return {
browser: "Opera",
version: matchBS2[2] || "0"
};
}
}
matchBS = rSafari.exec(ua);
if ((matchBS != null) && (!(window.attachEvent)) && (!(window.chrome)) && (!(window.opera))) {
return {
browser: matchBS[2] || "",
version: matchBS[1] || "0"
};
}
}
};
BrowserMatch.init();
// 获取浏览器名:BrowserMatch.browser;
// 获取浏览器版本:BrowserMatch.version;
// 获取所处操作系统:BrowserMatch.OS;
alert("当前浏览器为：" + BrowserMatch.browser +"\n版本为："+ BrowserMatch.version + "\n所处操作系统为："+BrowserMatch.OS);
</script>
</head>
<body>
</body>
</html>