WheelEvent.deltaX

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WheelEvent.deltaX read-only property is a double representing the horizontal scroll amount in the WheelEvent.deltaMode unit.

var dX = event.deltaX;

var syntheticEvent = new WheelEvent("syntheticWheel", {"deltaX": 4, "deltaMode": 0});
console.log(syntheticEvent.deltaX);

规范	状态	注释
DOM (文档对象模型) 3 级事件规范 The definition of 'WheelEvent.deltaX' in that specification.	过时	初始定义。

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`deltaX`	Chrome 31	Edge 12	Firefox 17	IE 9 9 IE9 supports an old draft of the spec where this value was a `long` 而不是 `double` .	Opera 18	Safari 6.1	WebView Android Yes	Chrome Android Yes	Firefox Android 17	Opera Android Yes	Safari iOS No	Samsung Internet Android Yes