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法律研究HTML onwheel 事件属性
在 HTML 文档中的 HTML 元素上移动鼠标滚轮时，HTML onwheel 事件属性将触发。
语法
以下为语法 -
<tagname onwheel=”script”>Content</tagname>
让我们看一个 HTML onwheel 事件属性的示例 -
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;
}
.wheel {
border: 2px solid #fff;
padding: 10px;
}
</style>
</head>
<body>
<h1>HTML onwheel Event Attribute Demo</h1>
<p onwheel='wheelFn()' class='wheel'>This is a paragraph with some dummy content.
This is a paragraph with some dummy content. This is a paragraph with some dummy content.
This is a paragraph with some dummy content. This is a paragraph with some dummy content.
This is a paragraph with some dummy content. This is a paragraph with some dummy content.
This is a paragraph with some dummy content.</p>
<p>Move the wheel of the mouse up or down on above paragraph</p>
<script>
function wheelFn() {
document.body.style.background = "linear-gradient(45deg, #8BC6EC 0%, #9599E2 100%) no-repeat";
document.body.style.color = "#fff";
}
</script>
</body>
</html>输出
现在在段落元素上向上或向下移动鼠标滚轮，观察 onwheel 事件属性如何起作用。
更新于： 2019 年 9 月 26 日
77 次浏览
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