The WheelEvent()
constructor returns a newly created WheelEvent
object.
Syntax
var wheelEvent = new WheelEvent(typeArg, wheelEventInit);
Properties
typeArg
- Is a
DOMString
representing the name of the event. wheelEventInit
Optional- Is a
WheelEventInit
dictionary, having the following fields:"deltaX"
, optional and defaulting to0.0
, is adouble
representing the horizontal scroll amount in thedeltaMode
unit."deltaY"
, optional and defaulting to0.0
, is adouble
representing the vertical scroll amount in thedeltaMode
unit."deltaZ"
, optional and defaulting to0.0
, is adouble
representing the scroll amount for the z-axis in thedeltaMode
unit."deltaMode"
, optional and defaulting to0
, is aunsigned 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.
The
WheelEventInit
dictionary also accepts fields from theMouseEventInit
,UIEventInit
andEventInit
dictionaries.
Specifications
Specification | Status | Comment |
---|---|---|
Document Object Model (DOM) Level 3 Events Specification The definition of 'WheelEvent()' in that specification. |
Obsolete | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
WheelEvent() constructor | Chrome Full support Yes | Edge Full support ≤18 | Firefox Full support 17 | IE No support No | Opera Full support Yes | Safari Full support 6.1 | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 17 | Opera Android Full support Yes | Safari iOS No support No | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
See also
- The
WheelEvent
interface it belongs to.