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Posted on
2009-03-16 21:41
东南西北风
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  Code
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script language="javascript">
<!--
function getUserAgent() {
info = navigator.userAgent.toUpperCase();
//document.write(info);
if(info.indexOf("WIN") != -1) {
os = "Windows";
} else if(info.indexOf("MAC") != -1) {
os = "MacOS";
} else if(info.indexOf("X11") != -1){
os = "UNIX";
} else {
os = "不能确定";
}
document.write("你正在使用的操作系统是：" + os);
}
//-->
</script>
</head>
<body>
<script language="javascript">
<!--
getUserAgent();
//-->
</script>
</body>
</html>
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