<body>
<script type="text/javascript">
<!--
function GetUrlText(url) {
var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
try {
xmlhttp.open("get", url, false);
xmlhttp.send();
return xmlhttp.responseText;
} catch (e) {
return "";
} finally {
xmlhttp = null;
}
}
var ip = GetUrlText("http://www.ip.cn/getip.php?action=getip&ip_url=").replace(/^.*?(\d+\.\d+\.\d+\.\d+).*$/, "$1");
alert(ip);
// -->
</script>
</body> Ref: http://www.ip.cn