Comprehensive Guide to Angular HR Interview Questions
Summary of Angular HR Interview Questions
This tutorial provides a comprehensive guide for individuals preparing for job interviews focused on Angular, a popular web application framework. It covers common questions and key concepts that candidates may encounter.
Key Concepts
- Angular Framework: A platform and framework for building single-page client applications using HTML and TypeScript.
- Components: The fundamental building blocks of Angular applications, each controlling a part of the user interface (UI).
- Modules: Containers for a cohesive block of code dedicated to an application domain, workflow, or closely related capabilities.
- Services: Classes that handle data logic and business rules, typically used for sharing data across components.
- Dependency Injection: A design pattern that implements Inversion of Control (IoC), allowing Angular to provide instances of services to components.
Common HR Interview Questions
- What is Angular?
- A framework for building web applications using HTML, CSS, and TypeScript.
- What are components in Angular?
- Reusable UI elements that define a view and the associated behavior.
- Explain the concept of modules.
- Modules help organize an application into cohesive blocks of functionality.
- What are services and how are they used?
- Services encapsulate business logic and can be injected into components.
- What is Dependency Injection?
- A technique where a class receives its dependencies from an external source rather than creating them itself.
Example Questions
- Can you explain the difference between a component and a directive?
- A component is a directive with a template, while a directive is a behavior that can be attached to a DOM element.
- How do you create a service in Angular?
- By using the Angular CLI:
ng generate service myService
.
- By using the Angular CLI:
Conclusion
Understanding these key concepts and preparing for common interview questions can significantly enhance your chances of success in Angular-related job interviews. Familiarity with Angular's architecture and terminology will help demonstrate your knowledge and skills to potential employers.