“How is a Signal different from a BehaviorSubject?”
Discuss how OnPush change detection works by checking only when input references change or observables fire.
Q: How do you pass data between a Parent and a Child component? decoded frontend angular interview hacking
When asked architectural open questions (e.g., "Should we use NgRx or Signals for state management?" ), never give a rigid, single-word answer. Frame your response around trade-offs:
@Self() : Constrains the search exclusively to the local element injector. “How is a Signal different from a BehaviorSubject
With Angular 16+, loadComponent in routes allows lazy loading of standalone components. Also, @defer (Angular 17+) lets you defer loading sections of a template.
The legacy standard pattern. You maintain a destroy$ subject and trigger it inside ngOnDestroy . The Shift to Angular Signals Frame your response around trade-offs: @Self() : Constrains
When an interviewer asks an Angular question, they are rarely testing your ability to recall syntax. They are evaluating your production experience. To hack the interview, every answer you give should touch upon three pillars: How does the feature work under the hood?
Angular’s Dependency Injection system is incredibly powerful, and interviewers love to test your understanding of hierarchical injectors. The Injector Hierarchy
To hack the Angular interview, you must move beyond the syntax. The algorithm for success looks like this:
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