How you structure components and handle dependency injection (DI) separates junior developers from system architects. Content Projection ( )
import signal, computed, effect from '@angular/core'; // 1. Defining a writable signal const quantity = signal(1); // 2. Defining a computed signal (automatically tracks dependencies) const price = signal(10); const totalCost = computed(() => quantity() * price()); // 3. Updating a signal value quantity.set(5); // Direct overwrite quantity.update(q => q + 1); // Update based on previous value // 4. Effects for side-effects (e.g., logging or local storage sync) effect(() => console.log(`The updated total cost is: $totalCost()`); ); Use code with caution. 3. RxJS Architectural Patterns Decoded Frontend - Angular Interview Hacking %21%21TOP%21%21
" inject() can be used in functions, not just classes. I use it for composition — like reusable logic in injection tokens or standalone services without creating a full class." How you structure components and handle dependency injection
One of the most common senior-level questions today is: exhaustMap Advantages include better readability
To truly succeed in an Angular interview, you must approach it like a collaborator, not just a candidate. Use the language of the framework: talk about , Type Safety , and Declarative Programming .
Queues inner observables and runs them sequentially in order. Sequential database transactions. exhaustMap
Advantages include better readability, familiarity for JavaScript developers, and fewer structural directive imports. Interviewers ask this to see if you're staying current with Angular's evolution.