jQuery Seleccione el valor del botón de radio marcado
$('input[name="name_of_your_radiobutton"]:checked').val();
Smoggy Snake
$('input[name="name_of_your_radiobutton"]:checked').val();$(document).ready(function(){
$('#submit_button').click(function() {
if (!$("input[name='name']:checked").val()) {
alert('Nothing is checked!');
return false;
}
else {
alert('One of the radio buttons is checked!');
}
});
});