Hacking New! | Decoded Frontend - Angular Interview

Hacking the RxJS Question:Don't just list operators. Explain the difference between "Hot" and "Cold" observables. A common interview trap is asking how to prevent memory leaks. The "hacker" answer isn't just "use unsubscribe"; it is explaining the async pipe, takeUntilDestroyed, or the new Angular Signals. Signals are the biggest change to the Angular ecosystem in years. You must be able to explain why Signals are more efficient than Zone.js-based change detection (hint: they offer fine-grained reactivity without checking the entire component tree). Mastering the Change Detection Loop

: Includes tips suitable for various experience levels. Key Topics Covered Decoded Frontend - Angular Interview Hacking

OnPush Strategy: This is a non-negotiable for senior roles. Explain how it limits the check to only when inputs change or events fire, drastically improving performance. Hacking the RxJS Question:Don't just list operators

However, a modern Angular interview, particularly for mid-to-senior roles, rarely asks you to write a *ngFor loop from memory. Instead, it focuses on: The "hacker" answer isn't just "use unsubscribe"; it

Here is your cheat sheet to review 30 minutes before the interview.