Hierarchy

  • WheelEvent
    • XWheelEvent

Constructors

  • Parameters

    • type: string
    • Optional eventInitDict: WheelEventInit

    Returns XWheelEvent

Properties

AT_TARGET: 2
BUBBLING_PHASE: 3
CAPTURING_PHASE: 1
DOM_DELTA_LINE: 1
DOM_DELTA_PAGE: 2
DOM_DELTA_PIXEL: 0
NONE: 0
altKey: boolean
bubbles: boolean

Returns true or false depending on how event was initialized. True if event goes through its target's ancestors in reverse tree order, and false otherwise.

MDN Reference

button: number
buttons: number
cancelBubble: boolean

Deprecated

MDN Reference

cancelable: boolean

Returns true or false depending on how event was initialized. Its return value does not always carry meaning, but true can indicate that part of the operation during which event was dispatched, can be canceled by invoking the preventDefault() method.

MDN Reference

clientX: number
clientY: number
composed: boolean

Returns true or false depending on how event was initialized. True if event invokes listeners past a ShadowRoot node that is the root of its target, and false otherwise.

MDN Reference

ctrlKey: boolean
currentTarget: EventTarget

Returns the object whose event listener's callback is currently being invoked.

MDN Reference

defaultPrevented: boolean

Returns true if preventDefault() was invoked successfully to indicate cancelation, and false otherwise.

MDN Reference

deltaMode: number
deltaX: number
deltaY: number
deltaZ: number
detail: number
eventPhase: number

Returns the event's phase, which is one of NONE, CAPTURING_PHASE, AT_TARGET, and BUBBLING_PHASE.

MDN Reference

isTrusted: boolean

Returns true if event was dispatched by the user agent, and false otherwise.

MDN Reference

metaKey: boolean
movementX: number
movementY: number
offsetX: number
offsetY: number
pageX: number
pageY: number
params: XMouseParams
relatedTarget: EventTarget
returnValue: boolean

Deprecated

MDN Reference

screenX: number
screenY: number
shiftKey: boolean
srcElement: EventTarget

Deprecated

MDN Reference

target: EventTarget

Returns the object to which event is dispatched (its target).

MDN Reference

timeStamp: number

Returns the event's timestamp as the number of milliseconds measured relative to the time origin.

MDN Reference

type: string

Returns the type of event, e.g. "click", "hashchange", or "submit".

MDN Reference

view: Window
which: number

Deprecated

MDN Reference

x: number
y: number
DOM_DELTA_LINE: 1
DOM_DELTA_PAGE: 2
DOM_DELTA_PIXEL: 0

Methods

  • Returns the invocation target objects of event's path (objects on which listeners will be invoked), except for any nodes in shadow trees of which the shadow root's mode is "closed" that are not reachable from event's currentTarget.

    MDN Reference

    Returns EventTarget[]

  • Parameters

    • keyArg: string

    Returns boolean

  • Parameters

    • type: string
    • Optional bubbles: boolean
    • Optional cancelable: boolean

    Returns void

    Deprecated

    MDN Reference

  • Parameters

    • typeArg: string
    • canBubbleArg: boolean
    • cancelableArg: boolean
    • viewArg: Window
    • detailArg: number
    • screenXArg: number
    • screenYArg: number
    • clientXArg: number
    • clientYArg: number
    • ctrlKeyArg: boolean
    • altKeyArg: boolean
    • shiftKeyArg: boolean
    • metaKeyArg: boolean
    • buttonArg: number
    • relatedTargetArg: EventTarget

    Returns void

    Deprecated

    MDN Reference

  • Parameters

    • typeArg: string
    • Optional bubblesArg: boolean
    • Optional cancelableArg: boolean
    • Optional viewArg: Window
    • Optional detailArg: number

    Returns void

    Deprecated

    MDN Reference

  • If invoked when the cancelable attribute value is true, and while executing a listener for the event with passive set to false, signals to the operation that caused event to be dispatched that it needs to be canceled.

    MDN Reference

    Returns void

  • Invoking this method prevents event from reaching any registered event listeners after the current one finishes running and, when dispatched in a tree, also prevents event from reaching any other objects.

    MDN Reference

    Returns void

  • When dispatched in a tree, invoking this method prevents event from reaching any objects other than the current object.

    MDN Reference

    Returns void

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