tryjsref_element_addeventlistener_capture 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
<style>
div {
    background-color: coral;
    border: 1px solid;
    padding: 50px;
}
</style>
</head>
<body>
<p>该实例演示了在添加事件监听时冒泡与捕获阶段的不同。</p>
<div id="myDiv">
    <p id="myP">点击该段落， 我是冒泡</p>
</div><br>
<div id="myDiv2">
    <p id="myP2">点击该段落， 我是捕获</p>
</div>
<script>
document.getElementById("myP").addEventListener("click", function() {
    alert("你点击了 P 元素!");
}, false);
document.getElementById("myDiv").addEventListener("click", function() {
    alert("你点击了 DIV 元素!");
}, false);
document.getElementById("myP2").addEventListener("click", function() {
    alert("你点击了 P 元素!");
}, true);
document.getElementById("myDiv2").addEventListener("click", function() {
    alert("你点击了 DIV 元素!");
}, true);
</script>
 
 
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运行结果
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