jquery select radio button active code example
Example 1: jquery get value of radio input
$('input[name="name_of_your_radiobutton"]:checked').val();
Example 2: get value of checked radio button jquery
$('form input[type=radio]:checked').val();
$('input[name="name_of_your_radiobutton"]:checked').val();
$('form input[type=radio]:checked').val();