<!DOCTYPE HTML>
<html
lang="en-US">
<head>
<meta
charset="UTF-8">
<script
type="text/javascript">
window.onload = function() {
var Browser = {
name:
"",
version: 0
}
var browser =
navigator.userAgent.toLowerCase();
if
(/(mise|chrome|firefox)\D(\d[\d\.]*)/.test(browser)) {
Browser.name = RegExp.$1;
Browser.version = RegExp.$2;
} else if
(/(opera|safari)/.test(browser)) {
Browser.name = RegExp.$1;
if
(/version\D(\d[\d\.]*)/.test(browser)) {
Browser.version = RegExp.$1;
}
}
document.write("您使用的浏览器为：" + Browser.name + "，版本号为：" +
Browser.version);
}
</script>
<title></title>
</head>
<body>
<div onclick="test()" style="width:100px;height:100px;border:1px solid
red;" ></div>
</body>
</html>
原文：http://www.cnblogs.com/liangshanbo/p/3548515.html