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@@ -0,0 +1,67 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <style>
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+ #box1 {
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+ width: 300px;
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+ height: 300px;
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+ background: #f00;
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+ margin-top: 30px;
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+ }
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+ #box2 {
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+ width: 150px;
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+ height: 150px;
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+ background: #ff0;
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+ }
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+ #box3 {
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+ width: 300px;
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+ height: 300px;
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+ background: #00f;
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+ margin-top: 30px;
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+ }
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+ #box4 {
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+ width: 150px;
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+ height: 150px;
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+ background: #0f0;
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+ }
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+ </style>
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+</head>
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+<body>
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+ <!--
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+ 万维网联盟(W3C)
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+ DOM事件流：三个阶段
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+ 事件捕获
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+ 目标阶段
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+ 事件冒泡
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+ -->
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+ <div id="box1">
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+ <div id="box2"></div>
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+ </div>
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+ <div id="box3">
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+ <div id="box4"></div>
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+ </div>
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+ <script>
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+ var box1 = document.getElementById("box1");
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+ var box2 = document.getElementById("box2");
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+ var box3 = document.getElementById("box3");
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+ var box4 = document.getElementById("box4");
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+
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+ box1.addEventListener("click",function(){
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+ console.log(this,'box1')
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+ },true)
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+ box2.addEventListener("click",function(){
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+ console.log(this,'box2')
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+ },true)
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+ box3.addEventListener("click",function(){
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+ console.log(this,'box3')
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+ },false)
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+ box4.addEventListener("click",function(){
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+ console.log(this,'box4')
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+ },false)
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+ // removeEventListener('监听的时间方法',执行的函数,触发的事件类型：true (事件捕获) / false（事件冒泡）)
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+ </script>
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+</body>
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+</html>
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