Access WCF service using Jquery Ajax and C#.Net

How to access WCF service Using Jquery ajax and C#.net

For Reference
https://debugmode.net/2011/12/22/how-to-enable-rest-and-soap-both-on-the-same-wcf-service/

<script>

    $(document).ready(function () {

        var URL = "http://sample/service.svc/Check_Session";

        $.ajax({

            type: 'GET',

            url: URL,

            dataType: 'json',

            crossDomain: true,

            success: function (data) {

                if (data.Message != "Success") {

                    alert("success");

                }

                else {

                  

                    alert("Fail");

                }

            },

            error: function (ex) {

                console.log("err");

            }

        });

    });

</script>