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EventManager

class final

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.

This class is "final" and should not be extended. See the public API notes.

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

Parameters

`plugins`	`EventManagerPlugin[]`
`_zone`	`NgZone`

Methods

addEventListener()

Registers a handler for a specific element and event.

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

Parameters

`element`	`HTMLElement`	The HTML element to receive event notifications.
`eventName`	`string`	The name of the event to listen for.
`handler`	`Function`	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`

Deprecated No longer being used in Ivy code. To be removed in version 14.

Parameters

`target`	`string`	A target for global event notifications. One of "window", "document", or "body".
`eventName`	`string`	The name of the event to listen for.
`handler`	`Function`	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`

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Licensed under the Creative Commons Attribution License 4.0.
https://v12.angular.io/api/platform-browser/EventManager