js 调用腾讯接口 获取ip 所在地 .

<script type="text/javascript">var IPData=[];</script>
<script type="text/javascript" src="http://fw.qq.com/ipaddress" ></script>
<script type="text/javascript">

var timer = setTimeout('getIP()',50);
function getIP()
{

 if(IPData.length==0){
  timer = setTimeout('getIP()',50);
 }else{
  clearTimeout(timer);
  alert(IPData[0] +" " + IPData[2] +" " + IPData[3]);
 }
}
</script>