tryjsref_onscroll_addeventlistener 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在线教程(w3cschool.cn)</title>
<style>
div {
    border: 1px solid black;
    width: 200px;
    height: 100px;
    overflow: scroll;
}
</style>
</head>
<body>
<p>该实例演示了如何使用 addEventListener() 方法向 div 元素中添加 "onscroll" 事件。</p>
<p>尝试滚动 div</p>
<div id="myDIV">In my younger and more vulnerable years my father gave me some advice that I've been turning over in my mind ever since.
<br><br>
'Whenever you feel like criticizing anyone,' he told me, just remember that all the people in this world haven't had the advantages that you've had.'</div>
<p id="demo"></p>
<script>
document.getElementById("myDIV").addEventListener("scroll", myFunction);
function myFunction() {
    document.getElementById("demo").innerHTML = "你滚动了 div。";
}
</script>
</body>
</html>
 
 
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运行结果
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