Answer
Lifecycle hooks allow running code at specific moments such as initialization, change detection, and destruction.
Important hooks include ngOnInit, ngOnDestroy, and ngOnChanges.
Quick Answer
Lifecycle hooks let you run code at specific phases of a component's life. Key hooks: ngOnInit (after inputs are set - good for data fetching), ngOnChanges (when input properties change), ngOnDestroy (cleanup - unsubscribe observables, clear timers), ngAfterViewInit (after view and child views are initialized). Implement the corresponding interface (OnInit, OnDestroy etc.).
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ