Radio button change function

/*
if there exist a group of html radio button having same name attribute their click or change can be determined as follows
*/
$("input:radio[name=Test]").change(function () {
    var value = $(this).val();
 });

Inside body tag

<input type="radio" name="Test" value="1"/>
<input type="radio" name="Test" value="2"/>
<input type="radio" name="Test" value="3"/>