Decoded Frontend Angular Interview Hacking |work| May 2026

Decoded: Frontend Angular Interview Hacking – The Insider’s Guide

1. Is ChangeDetectionStrategy.OnPush used?
2. Are you mutating objects instead of immutably updating?
3. Did you forget async pipe in template?
4. Manual fix: ChangeDetectorRef.detectChanges()

4. Change Detection: The Silent Killer

• The "Hacker" Answer: "I change ChangeDetectionStrategy to OnPush by default. This tells Angular to skip checking a component subtree unless its @Input reference changes or an event originates from within the component."