WheelEvent：deltaY 属性

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨2015年7月⁩.

WheelEvent.deltaY 只读属性是一个表示以 WheelEvent.deltaMode 为单位的垂直滚动量的 double 值。

值

数字。

const syntheticEvent = new WheelEvent("syntheticWheel", {
  deltaY: 4,
  deltaMode: 0,
});

console.log(syntheticEvent.deltaY);

Specification
UI Events # dom-wheelevent-deltay

This page was last modified on ⁨2024年6月25日⁩ by MDN contributors.