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WheelEvent: deltaX property

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

Value

A number.

Examples

js

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

console.log(syntheticEvent.deltaX);

Specifications

Specification
UI Events
# dom-wheelevent-deltax

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
deltaX 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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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WheelEvent/deltaX