WheelEvent: deltaY property
The WheelEvent.deltaY read-only property is a
double representing the vertical scroll amount in the
WheelEvent.deltaMode unit.
Value
A number.
Examples
js
const syntheticEvent = new WheelEvent("syntheticWheel", {
deltaY: 4,
deltaMode: 0,
});
console.log(syntheticEvent.deltaY);
Specifications
| Specification |
|---|
| UI Events # dom-wheelevent-deltay |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
deltaY | ||||||||||||