WheelEvent.deltaX

WheelEvent.deltaX 只读属性是一个 double 类型值, 声明水平滚动量以WheelEvent.deltaMode 为单位.

语法

var dX = event.deltaX;

例子

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

console.log(syntheticEvent.deltaX);

规范

Specification Status Comment
Document Object Model (DOM) Level 3 Events Specification
WheelEvent.deltaX
Obsolete Initial definition.

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help! (en-US)

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 31 (Yes) 17.0 (17.0) 9.0 [1] 18 未实现
Feature Android Edge Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support (Yes) (Yes) 17.0 (17.0) ? (Yes) 未实现

[1] IE9 支持一个规范的一个旧版本的草稿, 这里的值的类型是 long 而不是一个 double 类型的值.

另见