JavaScript 中 onscroll 事件的用法是什么?
htmljavascriptprogramming scripts更新于 2026/1/13 23:40:17
当滚动条滚动元素时,会发生 onscroll 事件。您可以尝试运行以下代码来了解如何在 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>
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html 参考教程 - 该教程包含有关 html 的更多信息:https://www.cainiaomax.com/html/

