The UIEvent() constructor creates a new UIEvent.


 event = new UIEvent(typeArg, UIEventInit)


Is a DOMString representing the name of the event.
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.


Specification Status Comment
InputDeviceCapabilities Editor's Draft Added sourceCapabilities property.
Document Object Model (DOM) Level 3 Events Specification
The definition of 'UIEvent()' in that specification.
Working Draft Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 11 (11) ? (Yes) ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? 11.0 (11) ? ? ?

See also

  • UIEvent, the interface of the objects it constructs.

Document Tags and Contributors

 Contributors to this page: jpmedley, fscholz, teoli
 Last updated by: jpmedley,