<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
}
.father {
width: 200px;
height: 200px;
background: red;
}
.son {
width: 100px;
height: 100px;
background: blue;
}
</style>
<script src="../jquery-3.3.1.js"></script>
<script>
$(function () {
// $(".son").click(function (event) {
// alert("son");
// // return false;
// event.stopImmediatePropagation();
// });
// $(".father").click(function () {
// alert("father");
// });
//给a标签添加事件
$("a").click(function(event){
alert("弹出注册框");
// return false;
//event.stopImmediatePropagation();点击后回跳转
event.preventDefault();//点击后不会跳转
})
})
</script>
</head>
<body>
<div class="father">
<div class="son"></div>
</div>
<a href="https://www.bilibili.com/">bilibili干杯！</a>
<form action="http://www.taobao.com">
<input type="text">
<input type="submit">
</form>
</body>
</html>
event.stopImmediatePropagation();点击后回跳转
event.preventDefault();//点击后不会跳转