HTML onscroll 事件屬性
HTML onscroll 事件屬性會在 HTML 文件中透過捲軸的滾動觸發 HTML 元素。
語法
以下為語法 −
<tagname onscroll=”script”></tagname>
讓我們看一個 HTML onscroll 事件屬性示例 −
示例
<!DOCTYPE html>
<html>
<head>
<style>
body {
color: #000;
height: 100vh;
background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%) no-repeat;
text-align: center;
padding: 20px;
}
.box-para {
border: 2px solid #fff;
padding: 10px;
width: 200px;
height: 200px;
overflow: scroll;
margin: 1rem auto;
}
</style>
</head>
<body>
<h1>HTML onscroll Event Attribute Demo</h1>
<p onscroll="scrollFn()" class="box-para">
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text. This is a paragraph element with some dummy text.
This is a paragraph element with some dummy text.</p>
<p>Scroll above paragraph text to increase its font size</p>
<script>
function scrollFn() {
document.querySelector(".box-para").style.fontSize = "1.5rem";
}
</script>
</body>
</html>輸出

滾動瀏覽段落內容以觀察 onscroll 事件屬性的工作方式 −

廣告
資料結構
網路
RDBMS
作業系統
Java
iOS
HTML
CSS
Android
Python
C 程式設計
C++
C#
MongoDB
MySQL
Javascript
PHP