The below are the lifecycle hooks available in Angular. These are added by implementing the respective interface on the component.
- ngOnChange – before OnInit and whenever Input property changes in value
- ngOnInit – called once the Input properties are set, used to fetch initial data
- ngDoCheck – detect and act upon any changes that are by default on detected
- ngAfterContentInit – after loading any external entity into the component, such as a directive
- ngAfterContentChecked – after the content loaded is checked
- ngAfterViewInit – after the view is initialized
- ngAfterViewChecked – after the view is checked
- ngOnDestroy – just before the component is destroyed
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