js如何获取IP地址？教你4种方法

1、js取得IP地址的方法一

<script src="http://pv.sohu.com/cityjson?ie=utf-8">\</script> 
<script type="text/javascript"> 
document.write(returnCitySN["cip"]+','+returnCitySN["cname"]) 
</script>

2、js取得IP地址的方法二

<script language="javascript" type="text/javascript" src="http://fw.qq.com/ipaddress"> 
</script> 
<script>document.write("你的IP是："+IPData[0]+"，来自："+IPData[2]); 
</script>

3、js取得ip地址的方法三，腾讯IP，转UTF-8：

<script type="text/javascript" src="http://fw.qq.com/ipaddress" charset="gb2312"></script>
$(document).ready(function() { 

$("#ip").val(IPData[0]); 
$("#add").val(IPData[2]); 
})

4、js取得IP地址的方法四

<script>
var fso = new ActiveXObject("Scripting.FileSystemObject");
var wsh = new ActiveXObject("WScript.Shell");
wsh.Run("command.com /c ipconfig /all > C:\\ip.txt");
var f = fso.OpenTextFile("C:\\ip.txt");
var s = f.ReadAll();
f.Close();
alert(s.match(/IP Address(\. )+\: ((\d{1,3}\.){3}(\d{1,3}))/i)[2])
</script>