<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
function init(){
var Sys = {};
var ua = navigator.userAgent.toLowerCase();
alert(ua);
if (window.ActiveXObject){
Sys.ie = ua.match(/msie ([\d.]+)/)[1]
}else if (document.getBoxObjectFor) {
Sys.firefox = ua.match(/firefox\/([\d.]+)/)[1]
}else if (window.MessageEvent && !document.getBoxObjectFor) {
Sys.chrome = ua.match(/chrome\/([\d.]+)/)[1]
}else if (window.opera) {
Sys.opera = ua.match(/opera.([\d.]+)/)[1]
}else if (window.openDatabase) {
Sys.safari = ua.match(/version\/([\d.]+)/)[1];
}
//以下進行測試
if(Sys.ie) document.write('IE: '+Sys.ie);
if(Sys.firefox) document.write('Firefox: '+Sys.firefox);
if(Sys.chrome) document.write('Chrome: '+Sys.chrome);
if(Sys.opera) document.write('Opera: '+Sys.opera);
if(Sys.safari) document.write('Safari: '+Sys.safari);
}
</script>
</head>
<body onload="init();">
</body>
</html>
