WheelEvent: deltaMode property
The WheelEvent.deltaMode read-only property returns an
unsigned long representing the unit of the delta values scroll amount.
Permitted values are:
| Constant | Value | Description |
|---|---|---|
DOM_DELTA_PIXEL |
0x00 |
The delta values are specified in pixels. |
DOM_DELTA_LINE |
0x01 |
The delta values are specified in lines. |
DOM_DELTA_PAGE |
0x02 |
The delta values are specified in pages. |
Value
An unsigned long.
Examples
js
const syntheticEvent = new WheelEvent("syntheticWheel", {
deltaX: 4,
deltaMode: 0,
});
console.log(syntheticEvent.deltaMode);
Specifications
| Specification |
|---|
| UI Events # dom-wheelevent-deltamode |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
deltaMode | ||||||||||||