<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="../js/jquery-3.2.1.min.js"></script>
<script>
$(function () {
$("input[type=‘radio‘]").on("click",function () {
if($("input[id=‘a‘]:checked").val()=="1"){
console.log("11111");
}else{
console.log("2222");
}
})
})
</script>
</head>
<body>
<input type="radio" id="a" value="1" name="aa">有
<input type="radio" id="b" value="2" name="aa">无
</body>
</html>
原文：https://www.cnblogs.com/kukai/p/10914734.html