Components in Angular

📘 Angular 👁 63 views 📅 Nov 14, 2025
⏱ Estimated reading time: 1 min

Components in Angular

Components are the core building blocks of Angular UI. Each component consists of a TypeScript file, HTML template, CSS file, and metadata.

Component Structure

app/
 └── home/
      ├── home.component.ts
      ├── home.component.html
      ├── home.component.css
      └── home.component.spec.ts

Component Decorator

@Component({
  selector: 'app-home',
  templateUrl: './home.component.html',
  styleUrls: ['./home.component.css']
})

Component Lifecycle Hooks

  • ngOnInit()
  • ngOnChanges()
  • ngOnDestroy()
  • ngAfterViewInit()

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