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WheelEvent: deltaY プロパティ - Web API | MDN
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このページはコミュニティーの尽力で英語から翻訳されました。MDN Web Docs コミュニティーについてもっと知り、仲間になるにはこちらから。
WheelEvent: deltaY プロパティ
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 は読み取り専用のプロパティで、 WheelEvent.deltaMode 単位での垂直スクロール量を表す double です。
値
数値です。
例
js
const syntheticEvent = new WheelEvent("syntheticWheel", {
deltaY: 4,
deltaMode: 0,
});
console.log(syntheticEvent.deltaY);
仕様書
| Specification |
|---|
| UI Events # dom-wheelevent-deltay |
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