jquery find radio button checked code example

Example 1: jquery get value of radio input

$('input[name="name_of_your_radiobutton"]:checked').val();

Example 2: jquery select radio

$(function() {
    var $radios = $('input:radio[name=gender]');
    if($radios.is(':checked') === false) {
        $radios.filter('[value=Male]').prop('checked', true);
    }
});