Get Selected RadioButtonList value in ASP.Net Using Jquery

The following code snippet will help us to get the selected radio button value using JQuery.

<script language="javascript">

        $(document).ready(function() {

            $("#btnSubmit").click(function() {

                alert($("#RadioButtonList1").find("input[@checked]").val());

            });

        });

    </script>

<asp:RadioButtonList ID="RadioButtonList1" runat="server">

        <asp:ListItem>1</asp:ListItem>

        <asp:ListItem>2</asp:ListItem>

        <asp:ListItem>3</asp:ListItem>

    </asp:RadioButtonList>

     <input id="btnSubmit" type="button" value="Submit" />