WheelEvent

Event → UIEvent → MouseEvent → js.html.WheelEvent (extern class)

The WheelEvent interface represents events that occur due to the user moving a mouse wheel or similar input device.

Documentation WheelEvent by Mozilla Contributors, licensed under CC-BY-SA 2.5.

See:

Static Members

DOM_DELTA_PIXEL: Int
DOM_DELTA_LINE: Int
DOM_DELTA_PAGE: Int

Instance Members

deltaX: Float

Returns a double representing the horizontal scroll amount.

deltaY: Float

Returns a double representing the vertical scroll amount.

deltaZ: Float

Returns a double representing the scroll amount for the z-axis.

deltaMode: Int

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.
new(type: String, ?eventInitDict: Null<WheelEventInit>): Void
Name Type Default
type String
eventInitDict Null<WheelEventInit> (optional)