The ngOnDestroy lifecycle hook in Angular is essential for cleaning up resources when components are destroyed to prevent memory leaks and ensure optimal application performance. As the creator of CoreUI with over 11 years of Angular development experience, I implement ngOnDestroy in every component that has subscriptions, timers, or event listeners. This hook is called just before Angular destroys the component, making it the perfect place for cleanup operations.

Angular lifecycle hooks provide precise control over component behavior at different stages of the component lifecycle. As the creator of CoreUI with over 11 years of Angular development experience, I use lifecycle hooks extensively to manage component initialization, data fetching, cleanup, and performance optimization. These hooks allow you to tap into key moments in a component’s life cycle.