Interview Question in Angular (Part-1)

1. What is Angular and why is it used?

Answer: Angular is a JavaScript framework for building web applications. It's used to create dynamic, single-page applications (SPAs) that provide a rich user experience.

2. Explain the key differences between Angular and AngularJS.

Answer: Angular is a complete rewrite of AngularJS, offering improved performance, modularity, and a component-based architecture. AngularJS is the older version and uses two-way data binding.

3. What are components in Angular?

Answer: Components are the building blocks of an Angular application. They consist of a template, logic, and styles. Each component encapsulates a specific part of the user interface.

4. What is data binding in Angular?

Answer: Data binding is a mechanism to synchronize data between the component and the DOM. Angular supports two-way data binding, allowing changes in the UI to affect the component's data and vice versa.

5. How does dependency injection work in Angular?

Answer: Angular's dependency injection system allows components and services to request dependencies from an external source. It promotes modularity, reusability, and testability in Angular applications.

Relevant Information:

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