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OnDestroy

interface

npm Package @angular/core
Module import { OnDestroy } from '@angular/core';
Source core/src/metadata/lifecycle_hooks.ts

Lifecycle hook that is called when a directive, pipe or service is destroyed.

Interface Overview

interface OnDestroy { 
  ngOnDestroy(): void
}

How To Use

@Component({selector: 'my-cmp', template: `...`})
class MyComponent implements OnDestroy {
  ngOnDestroy() {
    // ...
  }
}

Description

ngOnDestroy callback is typically used for any custom cleanup that needs to occur when the instance is destroyed.

See "Lifecycle Hooks Guide".

Class Implementations

  • AbstractFormGroupDirective
  • RouterPreloader
  • UpgradeComponent

Members

ngOnDestroy(): void

© 2010–2018 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v5.angular.io/api/core/OnDestroy