juniorAngular
What is Angular Lifecycle Hooks?
Updated Apr 28, 2026
Short answer
Lifecycle hooks allow reacting to component lifecycle events.
Deep explanation
Hooks like ngOnInit, ngOnDestroy allow executing logic at different stages.
Real-world example
Fetching data in ngOnInit.
Common mistakes
- Heavy logic in hooks.
Follow-up questions
- What is ngOnDestroy?
- Why lifecycle?