Angular Tutorial for Beginners 2026:
Signals, Standalone, and Enterprise

The fastest way to start with Angular is the CLI. Install it globally with npm, then use ng new to scaffold a complete project with TypeScript, testing, linting, and build configuration all pre-configured. In 2026, new Angular projects default to standalone components — no NgModules required.

# Install Angular CLI
npm install -g @angular/cli

# Create project with standalone components (default in v17+)
ng new my-app --standalone

# Navigate and run
cd my-app
ng serve --open

# Generate a component (standalone by default)
ng generate component features/dashboard

A component in Angular is a TypeScript class decorated with @Component. In Angular 17/18, standalone components don't need to be declared in NgModules — they import their own dependencies directly.

@Component({
  standalone: true,
  selector: 'app-user-card',
  imports: [CommonModule, RouterLink],
  template: `
    @if (user()) {
      <div class="card">
        <h2>{{ user()!.name }}</h2>
        <p>{{ user()!.email }}</p>
      </div>
    } @else {
      <p>Loading...</p>
    }
  `
})
export class UserCardComponent {
  // Angular Signals — simple, reactive, no RxJS needed for local state
  user = signal<User | null>(null);

  @Input() set userId(id: string) {
    // fetch and set user...
  }
}

Signals are the most significant new feature in Angular 17/18. They replace RxJS Observables for managing local component state with a much simpler API. A signal is a wrapper around a value that notifies consumers when it changes.

import { signal, computed, effect } from '@angular/core';

export class CounterComponent {
  // Writable signal
  count = signal(0);

  // Computed signal — auto-updates when count changes
  doubled = computed(() => this.count() * 2);

  // Effect — runs when signal values change
  _ = effect(() => {
    console.log(`Count: ${this.count()}`);
  });

  increment() {
    this.count.update(n => n + 1);
  }
}

Angular's dependency injection system is one of its most powerful features. Services are injectable classes that encapsulate business logic, HTTP calls, and shared state. The @Injectable decorator registers a service with Angular's DI system.

@Injectable({ providedIn: 'root' })
export class UserService {
  private http = inject(HttpClient);

  // Signal-based state in a service
  private users = signal<User[]>([]);
  usersReadonly = this.users.asReadonly();

  loadUsers() {
    return this.http.get<User[]>('/api/users').pipe(
      tap(users => this.users.set(users))
    );
  }
}

Is Angular still worth learning in 2026?
Absolutely. Angular remains dominant for enterprise and government applications. Angular 17 and 18 introduced major improvements like Signals and standalone components, making it more approachable than ever while retaining enterprise-grade structure.

How long does it take to learn Angular as a beginner?
Functional Angular apps in 4–6 weeks. Genuinely job-ready — comfortable with Signals, reactive forms, routing, and HTTP — takes 3–5 months of building real projects.

What are Angular Signals?
Signals are a reactive primitive introduced in Angular 16–17 that provide a simpler alternative to RxJS for local component state. They auto-track dependencies and trigger fine-grained updates.