Angular2+ Life Cycle Hooks with Details Understanding and example

Hey Guys, in this blog we are going to learn about Life Cycle of Angular 2+.

Let's get started...

There is total 8 life-cycle hooks Angular 2+ have

1) ngOnChanges:

- It's called after a bounded input property changes

2) ngOnInit:

- This hook is going to call when an angular component is going to be initialized.

- this hook called only once

3) ngDoCheck:

- This Hook is called during every changed detection in component.

4) ngAfterContentInit :

- This hook is called after content ( ng-content ) has been projected into the view.

5) ngAfterContentChecked:

- This hook is called every time when the projected content has been checked.

6) ngAfterViewInit:

- This hook is called after the component's view or ( child View ) has been initialize.

7) ngAfterViewChecked:

- This hook is called every time when the view or (Child View ) has been checked.

8) ngOnDestroy:

- This hook is called when the component is about to be destroyed.
- It's called only once time

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