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
UI Events
# dom-wheelevent-deltax

浏览器兼容性

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另见