📅  最后修改于: 2022-03-11 15:01:50.405000             🧑  作者: Mango
$(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!');
}
});
});