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
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