jquery get radio button checked value by name 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();
Example 3: jquery select specific radio button by value
$("input[name=mygroup][value=" + value + "]").prop('checked', true);