WCF with Jquery

Sample Code :

Step 1 : Create WCF Application

Step 2 : Create Client Application

function getDetails(UserId) {
    jQuery.support.cors = true;
    $.ajax({
        crossDomain: true,
        type: "GET",
        url: 'Your Service application URL',
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        data: '', //JSON.stringify(jData),
        success: filldata,
        error: function (xhr, reason, ex) {
            var err = $.parseJSON(xhr.responseText);
            if (err == null) {
                alert('Error Code : ' + xhr.status + "\nError Message :" + xhr.statusText);
            } else {
                alert('Error Code : ' + xhr.status + "\nError Message :" + err.Message);
            }
        }
    });
}
function filldata(data) {
    var json = $.parseJSON(data);
    Do Something here ;;;
}

 <script>

 

     $(document).ready(function () {

        

         $.ajax({

             type: "POST",

             url: "WCFService.svc/GetEmpdetails",

             contentType: "application/json; charset=utf-8",

             dataType: "json",

             success: function (response) {

                 var value = JSON.stringify(response);

                 alert(value);

             },

             failure: function (response) {

                 alert(response.d);

             }

         });

     });

 script>