Interface TouchEvent

The TouchEvent interface represents an UIEvent which is sent when the state of contacts with a touch-sensitive surface changes.

MDN Reference

interface TouchEvent {
    altKey: boolean;
    AT_TARGET: 2;
    bubbles: boolean;
    BUBBLING_PHASE: 3;
    cancelable: boolean;
    cancelBubble: boolean;
    CAPTURING_PHASE: 1;
    changedTouches: TouchList;
    composed: boolean;
    ctrlKey: boolean;
    currentTarget: EventTarget | null;
    defaultPrevented: boolean;
    detail: number;
    eventPhase: number;
    isTrusted: boolean;
    metaKey: boolean;
    NONE: 0;
    returnValue: boolean;
    shiftKey: boolean;
    srcElement: EventTarget | null;
    target: EventTarget | null;
    targetTouches: TouchList;
    timeStamp: number;
    touches: TouchList;
    type: string;
    view: Window | null;
    which: number;
    composedPath(): EventTarget[];
    initEvent(type: string, bubbles?: boolean, cancelable?: boolean): void;
    initUIEvent(
        typeArg: string,
        bubblesArg?: boolean,
        cancelableArg?: boolean,
        viewArg?: Window | null,
        detailArg?: number,
    ): void;
    preventDefault(): void;
    stopImmediatePropagation(): void;
    stopPropagation(): void;
}
Hierarchy
Index

Properties

altKey AT_TARGET bubbles BUBBLING_PHASE cancelable cancelBubble CAPTURING_PHASE changedTouches composed ctrlKey currentTarget defaultPrevented detail eventPhase isTrusted metaKey NONE returnValue shiftKey srcElement target targetTouches timeStamp touches type view which

Methods

composedPath initEvent initUIEvent preventDefault stopImmediatePropagation stopPropagation

Properties

altKey: boolean

The read-only altKey property of the TouchEvent interface returns a boolean value indicating whether or not the alt (Alternate) key is enabled when the touch event is created.

MDN Reference

AT_TARGET: 2
bubbles: boolean

The bubbles read-only property of the Event interface indicates whether the event bubbles up through the DOM tree or not.

MDN Reference

BUBBLING_PHASE: 3
cancelable: boolean

The cancelable read-only property of the Event interface indicates whether the event can be canceled, and therefore prevented as if the event never happened.

MDN Reference

cancelBubble: boolean

The cancelBubble property of the Event interface is deprecated.

MDN Reference

CAPTURING_PHASE: 1
changedTouches: TouchList

The changedTouches read-only property is a TouchList whose touch points (Touch objects) varies depending on the event type, as follows: - For the Element/touchstart_event event, it is a list of the touch points that became active with the current event.

MDN Reference

composed: boolean

The read-only composed property of the or not the event will propagate across the shadow DOM boundary into the standard DOM.

MDN Reference

ctrlKey: boolean

The read-only ctrlKey property of the TouchEvent interface returns a boolean value indicating whether the control (Control) key is enabled when the touch event is created.

MDN Reference

currentTarget: EventTarget | null

The currentTarget read-only property of the Event interface identifies the element to which the event handler has been attached.

MDN Reference

defaultPrevented: boolean

The defaultPrevented read-only property of the Event interface returns a boolean value indicating whether or not the call to Event.preventDefault() canceled the event.

MDN Reference

detail: number

The UIEvent.detail read-only property, when non-zero, provides the current (or next, depending on the event) click count.

MDN Reference

eventPhase: number

The eventPhase read-only property of the being evaluated.

MDN Reference

isTrusted: boolean

The isTrusted read-only property of the when the event was generated by the user agent (including via user actions and programmatic methods such as HTMLElement.focus()), and false when the event was dispatched via The only exception is the click event, which initializes the isTrusted property to false in user agents.

MDN Reference

metaKey: boolean

The read-only metaKey property of the TouchEvent interface returns a boolean value indicating whether or not the Meta key is enabled when the touch event is created.

MDN Reference

NONE: 0
returnValue: boolean

The Event property returnValue indicates whether the default action for this event has been prevented or not.

MDN Reference

shiftKey: boolean

The read-only shiftKey property of the TouchEvent interface returns a boolean value indicating whether or not the shift key is enabled when the touch event is created.

MDN Reference

srcElement: EventTarget | null

The deprecated Event.srcElement is an alias for the Event.target property.

MDN Reference

target: EventTarget | null

The read-only target property of the dispatched.

MDN Reference

targetTouches: TouchList

The targetTouches read-only property is a TouchList listing all the Touch objects for touch points that are still in contact with the touch surface and whose Element/touchstart_event event occurred inside the same target element as the current target element.

MDN Reference

timeStamp: number

The timeStamp read-only property of the Event interface returns the time (in milliseconds) at which the event was created.

MDN Reference

touches: TouchList

touches is a read-only TouchList listing all the Touch objects for touch points that are currently in contact with the touch surface, regardless of whether or not they've changed or what their target element was at Element/touchstart_event time.

MDN Reference

type: string

The type read-only property of the Event interface returns a string containing the event's type.

MDN Reference

view: Window | null

The UIEvent.view read-only property returns the is the Window object the event happened in.

MDN Reference

which: number

The UIEvent.which read-only property of the UIEvent interface returns a number that indicates which button was pressed on the mouse, or the numeric keyCode or the character code (charCode) of the key pressed on the keyboard.

MDN Reference

Methods

  • The composedPath() method of the Event interface returns the event's path which is an array of the objects on which listeners will be invoked.

    MDN Reference

    Returns EventTarget[]

  • The Event.initEvent() method is used to initialize the value of an event created using Document.createEvent().

    Parameters

    • type: string
    • Optionalbubbles: boolean
    • Optionalcancelable: boolean

    Returns void

    MDN Reference

  • The UIEvent.initUIEvent() method initializes a UI event once it's been created.

    Parameters

    • typeArg: string
    • OptionalbubblesArg: boolean
    • OptionalcancelableArg: boolean
    • OptionalviewArg: Window | null
    • OptionaldetailArg: number

    Returns void

    MDN Reference

  • The preventDefault() method of the Event interface tells the user agent that if the event does not get explicitly handled, its default action should not be taken as it normally would be.

    MDN Reference

    Returns void

  • The stopImmediatePropagation() method of the If several listeners are attached to the same element for the same event type, they are called in the order in which they were added.

    MDN Reference

    Returns void

  • The stopPropagation() method of the Event interface prevents further propagation of the current event in the capturing and bubbling phases.

    MDN Reference

    Returns void

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