jquery radio button 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 radio by name

$("input[type='radio'][name='theme']").click(function() {
    var value = $(this).val();
});

Example 4: click on a radio button using jquery

$('input:radio[name=sex]:nth(0)').attr('checked',true);
or
$('input:radio[name=sex]')[0].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!
}