Can't callback even raise a alert

Can't callback even raise a alert

Hello i m new in jquery.

i can't callback even raise a alert.

{literal}
       

<script type="text/javascript">
    $('document').ready(function(){
        getToken();
    });

    function getToken() {
      var posturl = 'http://10.121.1.68:8080/pay/api/cif/token'
        $.ajax({
          dataType: 'jsonp',
          data:({id:$('#mer').val()}),
          url: posturl,
          jsonp: 'jsonp_callback',
          contentType: "application/json; charset=utf-8",
          success: function(){
            alert("test");
          }
        });
    };
   
    function renderToken(data){
        alert(data);
    }
</script>
{/literal}

please help me.Thx b4