求助 得到访问者操作系统类型！！

Question

<script>
alert("浏览器版本是:" + navigator.appVersion);
alert("浏览器类型是:" + navigator.appName)
</script>
///////////////////////////////////////////
<%
    var IP = Request.ServerVariables("REMOTE_ADDR")
    Response.write(IP);
%>

Answer 1

用php
<?
  echo $REMOTE_ADDR;  //ip地址
  echo $PHP_OS;      //操作系统
?>

Answer 2

var WshShell = WScript.CreateObject("WScript.Shell");
var WshSysEnv = WshShell.Environment("SYSTEM");
WScript.Echo(WshSysEnv("OS"));
=========================
<script>
   for(i in navigator){
document.writeln(i+"=>"+navigator[i]+"<br>")
}
</script>
===========================

Answer 3

<script>
alert(navigator.platform);
</script>