WheelEvent.deltaMode
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. |
Syntax
var unit = event.deltaMode;Example
var syntheticEvent = new WheelEvent("syntheticWheel", {"deltaX": 4, "deltaMode": 0});
console.log(syntheticEvent.deltaMode);
Specifications
| Specification |
|---|
| UI Events # dom-wheelevent-deltamode |
Browser compatibility
BCD tables only load in the browser