Explain the available lifecycle hooks?

907    Asked by shyamJoshi in Python , Asked on Nov 13, 2019
Answered by shyam Joshi

The available lifecycle hooks are-

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Below is the description of these lifecycle method-

ngOnChange- this method gets called whenever the values of data-bound property get changed.

ngOnInit-this method gets called when the initialization of directive/component after the Angular displays the data bound property happens.

ngDoCheck- it is used to detect or to act on the changes which Angular would not detect its own.

ngAfterContentInit- this method gets called, in response after the Angular projects the external content in the component’s view.

ngAfterContentChecked- this method gets called, in response after the Angular checks the projected content into components.

ngAfterViewInit- whenever The Angular initializes the component and the child views, this method gets called.

ngAfterViewChecked- whenever The Angular checks the component and the child views, this method gets called.

ngOnDestroy- is a clean-up phase which gets called before the Angular destroys the component or directive.



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