How to get selected radio button value using jQuery?

In this article, Iwill show you how to know which Radio button selected using JQuery. You can getradio button selected value by group name of radio button using checkedproperty. 

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <script type="text/javascript">
        $(function () {
            $('input').on('change', function () {
                alert($('input[name=Countries]:checked').val());
            });
        });
    </script>
<form id="Form1">
        Select your Country:
         <br />
        <input type="radio" name="Countries" value="India" />
        India
        <br />
        <input type="radio" name="Countries" value="Pakistan" />
        Pakistan
        <br />
        <input type="radio" name="Countries" value="Bangladesh" />
        Bangladesh
        <br />
</form>