HTML DOM WheelEvent
WheelEvent Object
An event that occurs when the mouse wheel scrolls, belonging to the WheelEvent object.
Wheel Event Properties and Methods
| Property/Method | Description |
|---|---|
| deltaX | Returns the horizontal scroll amount of the mouse wheel (x-axis). |
| deltaY | Returns the vertical scroll amount of the mouse wheel (y-axis). |
| deltaZ | Returns the Z-axis scroll amount of the mouse wheel. |
| deltaMode | Returns a number representing the unit of measure (pixels, lines, or pages) of the increment value. |
Inherited Properties and Methods
WheelEvent inherits all properties and methods from the following objects:
Event Type
These event types belong to the WheelEvent object:
| Event | Description |
|---|---|
| onwheel | This event occurs when the mouse wheel rolls up or down over an element. |
