20 Angular Interview Questions You Must Know in 2024

20 Angular Interview Questions

1. What is Angular?

Answer:
Angular is a TypeScript-based open-source framework by Google for building single-page web applications (SPAs).

2. What are the components in Angular?

Answer:
Components are the basic building blocks of Angular applications.
Code Example:

@Component({
  selector: 'app-root',
  template: `<h1>Welcome to Angular</h1>`,
})
export class AppComponent {}

3. How does two-way data binding work?

Answer:
Two-way binding allows data synchronization between the component and the view. Use [(ngModel)].
Code Example:

<input [(ngModel)]="name" placeholder="Enter name">
<p>Hello, {{ name }}</p>

4. What are directives in Angular?

Answer:
Directives are instructions for the DOM. Common types are:

• Structural Directives: e.g., *ngIf, *ngFor.
• Attribute Directives: e.g., ngClass, ngStyle.
  Code Example:

<div…