jquery - jsonp callback problem -

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i'm trying following code retrieve client ip, , works fine

<script type="text/javascript">       function getip(json) {         var ip = json.ip; // alerts client ip address         alert(ip);     } </script> <script type="text/javascript" src="http://jsonip.appspot.com/?callback=getip"></script>

but when try $.ajax nothing...

    $.ajax({         type: "get",         url: 'http://jsonip.appspot.com/?callback=getip',         datatype: "jsonp",                     success: function getip(json) {             alert("sucess");             var ip = json.ip;             alert(ip);         }      });  });

plz help

$.ajax({     type: "get",     url: "http://jsonip.appspot.com/?callback=?",     //                                        ^     // ---- note ? symbol ----------------|     // jquery responsible replacing symbol     // name of auto generated callback fn     datatype: "jsonp",     success: function(json) {         var ip = json.ip;         alert(ip);     } });

jsfiddle demo here.


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