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其他参考手册

CSSStyleDeclaration JS 类型转换


onwheel 事件

❮ DOM 事件 ❮ WheelEvent

实例

当用户在 <div> 元素上滚动鼠标滚轮时,更改其字体大小:

document.getElementById("myDIV").addEventListener("wheel", myFunction);

function myFunction() {
  this.style.fontSize = "35px";
}
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定义和用法

当鼠标滚轮在元素上向上或向下滚动时,会发生 onwheel 事件。

当用户使用触摸板滚动或放大或缩小元素时,也会发生 onwheel 事件。


浏览器支持

表中的数字表示支持该事件的第一个浏览器版本。

事件
onwheel 31.0 9.0 17.0 不支持 18.0

注释: 在 IE 中,只有通过 addEventListener() 方法才支持 wheel 事件。 DOM 对象上没有 onwheel 属性。



语法

在 HTML 中:

<element onwheel="myScript">
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在 JavaScript 中:

object.onwheel = function(){myScript};
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在 JavaScript 中,使用 addEventListener() 方法:

object.addEventListener("wheel", myScript);
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注释: Internet Explorer 8 或更早的版本不支持 addEventListener() 方法


技术细节

是否支持冒泡: Yes
是否支持取消: Yes
事件类型: WheelEvent
支持的 HTML 标签: 所有 HTML 元素
DOM 版本: Level 3 Events

❮ DOM 事件 ❮ WheelEvent