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WheelEvent: deltaZ property

The WheelEvent.deltaZ read-only property is a double representing the scroll amount along the z-axis, in the WheelEvent.deltaMode unit.

Value

A number.

Examples

js

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

console.log(syntheticEvent.deltaZ);

Specifications

Specification
UI Events
# dom-wheelevent-deltaz

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
deltaZ 31 12 17
9IE9 supports an old draft of the spec where this value was a long instead of a double.
 18 8 4.4.3 31 17 18 8 2.0

See also

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https://developer.mozilla.org/en-US/docs/Web/API/WheelEvent/deltaZ