WheelEvent.deltaX

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

Syntax

JavaScript
var <code>dX = event.deltaX;</code>

Example

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

console.log(syntheticEvent.deltaX);

Specifications

Specification Status Comment
Document Object Model (DOM) Level 3 Events Specification
The definition of 'WheelEvent.deltaX' in that specification.
Working Draft Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 31 17.0 (17.0) 9.0 [1] 18 Not supported
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support (Yes) 17.0 (17.0) ? (Yes) Not supported

[1] IE9 supports an old draft of the spec where this value was a long instead of a double.

See also

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/wheelevent/deltax

API DOM Property Read-only Reference Référence WheelEvent