Как установить маску для номера телефона в ячейке таблицы?

function GetAllEmployees () {
            
            $.ajax({
                type: "POST",
                url: "WebService1.asmx/GetAllEmployees",
                dataType: "json",


                success:

                function (data) {
                    var employeeTable = $('#tblEmployee tbody');

                    if (clear_table == true && clr_tbl2 == true) { employeeTable.empty();  clr_tbl2 = false; }
                    

                    $(data).each(function (index, emp) {
                        st = emp.Id;
                        if (st2 < st) {
                            st2 = st;
                            (employeeTable).append('<tr><td>' + emp.Id + '</td><td>'
                                + emp.Name + '</td><td>' + emp.Surname
                                + '</td><td>' + emp.Patronymic + '</td><td>' + emp.Birthday
                                + '</td><td>' + emp.Salary + '</td><td>' + emp.Position + '</td><td>' + (<i>emp.PhoneNumber</i> + '</td></tr>');
                        }
                        
                            
                        

                    });
                    
                },
                error: function (err) {
                    alert(err);
                }

<table id="tblEmployee" border="1" style="border-collapse:collapse">
        <thead>
            <tr>
                <th>ID</th>
                <th>Name</th>
                <th>Surname</th>
                <th>Patronymic</th>
                <th>Birthday</th>
                <th>Salary</th>
                <th>Position</th>
                <th>Phone Number</th>

            </tr>
        </thead>
        <tbody></tbody>
    </table>