WheelEvent object

This object is not supported for Windows Store apps using JavaScript.

Document Object Model (DOM) Level 3 Events Specification, Section 5.2.4

 

DOM Information

Inheritance Hierarchy

 Event
  UIEvent
   MouseEvent
     WheelEvent

Members

The WheelEvent object has these types of members:

Methods

The WheelEvent object has these methods.

MethodDescription
getModifierState

Queries the state of the specified modifier key.

initMouseEvent

Initializes a new mouse event that the createEvent method created.

Important  As of Internet Explorer for Windows 10 Technical Preview, the createEvent()/initEvent() constructor pattern for synthetic events is deprecated. See the Synthetic Events page for more information.
initUIEvent

Initializes a new user interface event that the createEvent method created.

Important  As of Internet Explorer for Windows 10 Technical Preview, the createEvent()/initEvent() constructor pattern for synthetic events is deprecated. See the Synthetic Events page for more information.
initWheelEvent

Important  As of Internet Explorer for Windows 10 Technical Preview, the createEvent()/initEvent() constructor pattern for synthetic events is deprecated. See the Synthetic Events page for more information.

Initializes a new mouse wheel event that the createEvent method created.

 

Properties

The WheelEvent object has these properties.

PropertyDescription

altKey

Gets a value that indicates whether the Alt key is pressed.

button

Indicates which pointer device button has changed.

buttons

Indicates which pointer device buttons are being pressed, expressed as a bitmask.

clientX

Gets the x-coordinate of the mouse pointer, relative to the upper-left corner of the viewport (that is, the application's client area).

clientY

Gets the y-coordinate of the mouse pointer, relative to the upper-left corner of the viewport (that is, the application's client area).

ctrlKey

Gets a value that indicates whether the Ctrl key is pressed.

deltaMode

Gets a value that indicates the unit of measurement for delta values.

deltaX

Gets the distance that a mouse wheel has rotated around the x-axis (horizontal).

deltaY

Gets the distance that a mouse wheel has rotated around the y-axis (vertical).

deltaZ

Gets the distance that a mouse wheel has rotated around the z-axis.

detail

Gets additional information about an event.

fromElement

Gets the object that the mouse pointer exited.

layerX

Gets the x-coordinate of the mouse pointer, relative to the last positioned ancestor element.

layerY

Gets the y-coordinate of the mouse pointer, relative to the last positioned ancestor element.

metaKey

Gets a value that indicates whether the Meta/Control key is pressed.

offsetX

Gets the x-coordinate of the mouse pointer, relative to the target node.

offsetY

Gets the y-coordinate of the mouse pointer, relative to the target node.

pageX

Gets the x-coordinate of the mouse pointer, relative to the upper-left corner of the page.

pageY

Gets the y-coordinate of the mouse pointer, relative to the upper-left corner of the page.

relatedTarget

Gets the secondary element that is involved in an event.

screenX

Gets the x-coordinate of the mouse pointer, relative to the upper-left corner of the screen.

screenY

Gets the y-coordinate of the mouse pointer, relative to the upper-left corner of the screen.

shiftKey

Gets a value that indicates whether the Shift key is pressed.

toElement

Gets the object that the mouse pointer entered.

view

Gets the window object that an event is generated from.

x

Gets the x-coordinate of the mouse pointer, relative to the last positioned ancestor element.

y

Gets the y-coordinate of the mouse pointer, relative to the last positioned ancestor element.

 

Standards information

Remarks

The WheelEvent event also inherits properties from the MouseEvent object.

See also

onmousewheel

 

 

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