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EventManager

class stable

An injectable service that provides event management for Angular through a browser plug-in.

class EventManager {
  constructor(plugins: EventManagerPlugin[], _zone: NgZone)
  addEventListener(element: HTMLElement, eventName: string, handler: Function): Function
  addGlobalEventListener(target: string, eventName: string, handler: Function): Function
  getZone(): NgZone
}

Constructor

Initializes an instance of the event-manager service.

constructor(plugins: EventManagerPlugin[], _zone: NgZone)

Parameters

plugins

Type: EventManagerPlugin[].

_zone

Type: NgZone.

Methods

addEventListener()

Registers a handler for a specific element and event.

addEventListener(element: HTMLElement, eventName: string, handler: Function): Function

Parameters

element

The HTML element to receive event notifications.

eventName

The name of the event to listen for.

handler

A function to call when the notification occurs. Receives the event object as an argument.

Returns

Function: A callback function that can be used to remove the handler.

addGlobalEventListener()

Registers a global handler for an event in a target view.

addGlobalEventListener(target: string, eventName: string, handler: Function): Function

Parameters

target

A target for global event notifications. One of "window", "document", or "body".

eventName

The name of the event to listen for.

handler

A function to call when the notification occurs. Receives the event object as an argument.

Returns

Function: A callback function that can be used to remove the handler.

getZone()

Retrieves the compilation zone in which event listeners are registered.

getZone(): NgZone

Parameters

There are no parameters.

Returns

NgZone

Annotations

@Injectable()

© 2010–2018 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://angular.io/api/platform-browser/EventManager