objek navigator
Jika ia adalah pelayar IE, nilai pulangan ialah: Microsoft Internet Explorer
Jika ia adalah pelayar Firefox, nilai pulangannya ialah: Netscape
appVersion: Nombor versi teras perisian penyemak imbas.
systemLanguage: bahasa sistem
userLanguage: user language
platform: platform
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>php.cn</title>
<script type="text/javascript">
//实例：测试不同浏览器
var str = "<h2>浏览器的相关信息</h2>";
str += "软件名称："+navigator.appName;
str += "<br>核心版本："+navigator.appVersion;
str += "<br>系统语言："+navigator.systemLanguage;
str += "<br>用户语言："+navigator.userLanguage;
str += "<br>用户平台："+navigator.platform;
document.write(str+"<hr>");
var width;
var height;
if(navigator.appName=="Netscape")
{
width = window.innerWidth;
height = window.innerHeight;
}else
{
width = document.documentElement.clientWidth;
height = document.documentElement.clientHeight;
}
document.write("浏览器内宽："+width+"，浏览器内高："+height);
</script>
</head>
<body >
</body>
</html>
bahagian seterusnya