js ajax

$(".btnSubmit").click(function(){
   form_id = $(this).parent().parent().parent();
   url_target = form_id.attr('action');
   var params =  form_id.serialize();
//   console.log(form_id, params);
   var respon = jQuery.ajax({
          url: url_target,
          type: "POST",
          data: params,
          dataType: "json", //disarankan return sebagai JSON.. json_encode($params);
          cache:false,
          timeout:20000
        });

        respon.success(function(result, status) {
            //console.log("OK",result,status);
            //================LAKUKAN PROSES KALAU BENAR.. check nilai result.status
            if (typeof result.status !== 'undefined') {
                if (result.status) {
                    //==proses kl OK
                    console.log('OK');
                } else {
                    //==proses kl GAGAL
                    console.log('gagal');
                }
            } else {
                alert('not valid json');
            }
        });

        respon.error(function (xhr, status, msg) {
            //console.log("ERROR",xhr,status,msg);
            //alert(msg);
            //================LAKUKAN PROSES KALAU SALAH
        });

    });