OnDestroy
interface
A lifecycle hook that is called when a directive, pipe, or service is destroyed. Use for any custom cleanup that needs to occur when the instance is destroyed.
interface OnDestroy {
ngOnDestroy(): void
}
Class implementations
NgComponentOutlet
AsyncPipe
AbstractFormGroupDirective
NgModelGroup
FormGroupName
NgModel
NgModelGroup
RadioControlValueAccessor
FormControlName
FormArrayName
FormGroupName
NgSelectOption
RouterLinkWithHref
RouterLinkActive
RouterOutlet
RouterPreloader
UpgradeComponent
See also
- Lifecycle Hooks guide
Methods
ngOnDestroy() |
---|
A callback method that performs custom clean-up, invoked immediately after a directive, pipe, or service instance is destroyed. |
ngOnDestroy(): voidParametersThere are no parameters. Returns
|
Usage notes
The following snippet shows how a component can implement this interface to define its own custom clean-up method.
@Component({selector: 'my-cmp', template: `...`})
class MyComponent implements OnDestroy {
ngOnDestroy() {
// ...
}
}
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Licensed under the Creative Commons Attribution License 4.0.
https://v8.angular.io/api/core/OnDestroy