Web/API/UIEvent/UIEvent

The UIEvent() constructor creates a new UIEvent.

Syntax

event = new UIEvent(typeArg [, UIEventInit])

Values

typeArg

Is a DOMString representing the name of the event.

UIEventInit Optional

Is a UIEventInit dictionary, having the following fields:

• detail: optional and defaulting to 0, of type long, that is a event-dependant value associated with the event. UIEvent.detail lists the semantic for standard events.
• view: optional and defaulting to null, of type WindowProxy, that is the Window associated with the event .
• sourceCapabilities: ' An instance of the InputDeviceCapabilities interface which provides information about the physical device responsible for generating a touch event.

The UIEventInit dictionary also accepts fields from the EventInit dictionary.

Specifications

Specification	Status	Comment
InputDeviceCapabilities	Draft	Added sourceCapabilities property.
Document Object Model (DOM) Level 3 Events SpecificationThe definition of 'UIEvent()' 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.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
UIEvent() constructor	Chrome Full support Yes	Edge Full support ≤18	Firefox Full support 11	IE ?	Opera Full support Yes	Safari ?	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 14	Opera Android Full support Yes	Safari iOS ?	Samsung Internet Android Full support Yes

Legend

Full support  

Full support

Compatibility unknown  

Compatibility unknown

See also

• UIEvent, the interface of the objects it constructs.

UIEvent() by Mozilla Contributors is licensed under CC-BY-SA 2.5.