<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title> 滚动事件 </title>
<!-- 滚动事件：onscroll： 在滚动时触发; -->
<style>
.box {
width: 200px;
height: 200px;
background-color: #f00;
overflow: auto;
}
img {
vertical-align: top;
}
</style>
</head>
<body>
<div class="box">
<img src="../images/01.jpg" alt="">
</div>
<script>
// 添加滚动事件
document.querySelector('.box').onscroll = function () {
// 将滚动值打印在控制台;
console.log(this.scrollLeft, this.scrollTop);
}
</script>
</body>
</html>
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