find checked radio button jquery code example
Example 1: jquery get value of radio input
$('input[name="name_of_your_radiobutton"]:checked').val();
Example 2: jQuery check a radio button
// jQuery version 1.6 or above use:
$("#myRadioID").prop("checked", true);
//jQuery versions below 1.6 use:
$("#myRadioID").attr('checked', 'checked');
Example 3: get value of checked radio button jquery
$('form input[type=radio]:checked').val();
Example 4: jquery select specific radio button by value
$("input[name=mygroup][value=" + value + "]").prop('checked', true);
Example 5: How can I know which radio button is selected via jQuery
if ($('input[name="radioName"]:checked', '#myForm').length) {
//Yes, it's checked!
}