JavaScript中的onscroll事件有什么用？
当滚动某个元素的滚动条时，将发生onscroll事件。您可以尝试运行以下代码，以了解如何在JavaScript中实现onscroll 事件。
示例
<!DOCTYPE html>
<html>
<head>
<style>
div {
border: 2px solid blue;
width: 300px;
height: 100px;
overflow: scroll;
}
</style>
</head>
<body>
<div id="content">
This is demo text. This is demo text.This is demo text.This is demo text.
This is demo text.This is demo text.This is demo text.This is demo text.
This is demo text.This is demo text.This is demo text.
This is demo text.This is demo text.This is demo text.
This is demo text.This is demo text.This is demo text.
</div>
<p id = "myScroll"> </p>
<script>
document.getElementById("content").onscroll = function() {myFunction()};
function myFunction() {
document.getElementById("myScroll").innerHTML = "Scroll successfull!.";
}
</script>
</body>
</html>热门推荐
10 朋友新年祝福语大全 简短
11 新年祝福语简短大方兔年
12 搬新家礼物祝福语简短
13 同学见面花束祝福语简短
14 五一假期祝福语幽默简短
15 离职欢送敬酒祝福语简短
16 对学弟的祝福语简短
17 考老师辞职祝福语简短
18 祝福语驱散霉运的话简短