EventTarget

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EventTarget es una interfaz implementada por los objetos que pueden recibir eventos y pueden tener escuchadores para los objetos.

Element, document, and window are the most common event targets, but other objects can be event targets too, for example XMLHttpRequest, AudioNode, AudioContext, and others.

Many event targets (including elements, documents, and windows) also support setting event handlers via on... properties and attributes.

Methods

EventTarget.addEventListener()
Register an event handler of a specific event type on the EventTarget.
EventTarget.removeEventListener()
Removes an event listener from the EventTarget.
EventTarget.dispatchEvent()
Dispatch an event to this EventTarget.

Specifications

Specification Status Comment
DOM
La definición de 'EventTarget' en esta especificación.		 Living Standard No change.
Document Object Model (DOM) Level 3 Events Specification
La definición de 'EventTarget' en esta especificación.		 Obsolete A few parameters are now optional (listener), or accepts the null value (useCapture).
Document Object Model (DOM) Level 2 Events Specification
La definición de 'EventTarget' en esta especificación.		 Obsolete Initial definition.

Browser compatibility

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Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 1.0 1.0 (1.7 o anterior) 9.0 7 1.0
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 1.0 1.0 (1) 9.0 6.0 1.0

Additional methods for Mozilla chrome code

Mozilla extensions for use by JS-implemented event targets to implement on* properties. See also WebIDL bindings.

  • void setEventHandler(DOMString type, EventHandler handler)
  • EventHandler getEventHandler(DOMString type)

See Also

Temas relacionados