how to radio button checked in jquery code example
Example 1: if radio checked jquery
$('#element').click(function() {
if($('#radio_button').is(':checked')) { alert("it's checked"); }
});
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: click on a radio button using jquery
$('input:radio[name=sex]:nth(0)').attr('checked',true);
or
$('input:radio[name=sex]')[0].checked = true;