获取当前客户端的IP地址

1 var url = \'http://chaxun.1616.net/s.php?type=ip&output=json&callback=?&_=\'+Math.random();  
2 //http://chaxun.1616.net/s.php?type=ip&output=json  请求接口
3 $.getJSON(url, function(data){ alert(data.Ip); });

返回数据格式：

({"Ip":"111.111.111.111","Isp":"北京北京 电信ADSL","Browser":"Google Chrome 55.0.2883.87","OS":"Windows NT","QueryResult":1})