WheelEvent.deltaZ
WheelEvent.deltaZ 只读属性是一个 double 类型值,声明 Z 轴滚动量以WheelEvent.deltaMode 为单位。
语法
var dZ = event.deltaZ;
例子
js
var syntheticEvent = new WheelEvent("syntheticWheel", {"deltaZ": 4, "deltaMode": 0});
console.log(syntheticEvent.deltaZ);
规范
| Specification |
|---|
| UI Events # dom-wheelevent-deltaz |
浏览器兼容性
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