Advanced Angular 2 Interview Questions
In-depth Angular 2 Interview Questions for Experienced Candidates
Advanced Angular 2 Interview Questions
Advanced Angular 2 interview questions delve into the intricacies of the framework, testing candidates' understanding of its advanced features and optimization techniques. These questions explore topics such as dependency injection, component lifecycles, change detection strategies, and performance optimization. By assessing these advanced concepts, interviewers can gauge a candidate's ability to build complex, scalable, and performant Angular 2 applications. These questions not only evaluate technical proficiency but also demonstrate a candidate's practical understanding of how to leverage Angular 2's powerful capabilities in real-world scenarios.
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1 - Explain the concept of Dependency Injection (DI) in Angular 2+ and provide an example.
2) Describe the difference between a Service and a Component in Angular 2+.
3) How does change detection work in Angular 2+, and what are the different change detection strategies available?
4) What is the purpose of the ViewEncapsulation property, and what are the different options available?
5) Explain the difference between an Event Emitter and a Subject, and when to use each.
6) How can you create custom directives in Angular 2+, and what are the different types of directives?
7) Describe how to implement HTTP requests in Angular 2+, and what are the different ways to handle HTTP responses.
8) Explain the concept of Observables and how they are used in Angular 2+.
9) What is the purpose of the Router in Angular 2+, and how can it be used to navigate between different views?
10) Describe the difference between @HostListener() and @HostBinding() decorators.
11 - Explain the concept of Guards in Angular 2+, and how they can be used to restrict access to specific routes.
12) How can you implement a lazy loading strategy for Angular 2+ applications?
13) Describe the difference between AOT (Ahead of Time) compilation and JIT (Just in Time) compilation.
14) What are the advantages of using the Angular Material Design library?
15) Explain how you would debug an Angular 2+ application.
- Participate in more discussions. The more you contribute to the community, the more points you will earn. Start by commenting on other people's posts, and then gradually start posting your own content.
- Create high quality content.* The content you post should be interesting, informative, and well written. People are more likely to upvote and comment on content that is valuable to them.
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- Be patient.* It takes time to build up a reputation and earn points. Just keep contributing to the community and you will eventually see results.
- Course Overview
- Master the advanced concepts and techniques of Angular 2 interviewing with our comprehensive course. Dive into in-depth questions covering architecture, data binding, components, services, and performance optimization. Enhance your knowledge of change detection, dependency injection, routing, and testing. By the end of this course, you'll be fully prepared to tackle advanced Angular 2 interview scenarios and showcase your expertise as a highly skilled developer.
- Course Description
- Delve into the complexities of Angular 2 framework with this advanced interview course. Explore advanced topics, including component lifecycle hooks, change detection, testing strategies, dependency injection, and performance optimization techniques. Master these concepts to ace your Angular interviews and demonstrate your profound understanding of this popular JavaScript framework.
- Key Features
- 1 - Comprehensive Tool Coverage: Provides hands-on training with a range of industry-standard testing tools, including Selenium, JIRA, LoadRunner, and TestRail.
- 2) Practical Exercises: Features real-world exercises and case studies to apply tools in various testing scenarios.
- 3) Interactive Learning: Includes interactive sessions with industry experts for personalized feedback and guidance.
- 4) Detailed Tutorials: Offers extensive tutorials and documentation on tool functionalities and best practices.
- 5) Advanced Techniques: Covers both fundamental and advanced techniques for using testing tools effectively.
- 6) Data Visualization: Integrates tools for visualizing test metrics and results, enhancing data interpretation and decision-making.
- 7) Tool Integration: Teaches how to integrate testing tools into the software development lifecycle for streamlined workflows.
- 8) Project-Based Learning: Focuses on project-based learning to build practical skills and create a portfolio of completed tasks.
- 9) Career Support: Provides resources and support for applying learned skills to real-world job scenarios, including resume building and interview preparation.
- 10) Up-to-Date Content: Ensures that course materials reflect the latest industry standards and tool updates.
Benefits of taking our course
Functional Tools
1 - Angular CLI (Command Line Interface): A toolchain for scaffolding Angular applications, generating components, and managing dependencies. It streamlines development and project setup.
2) Angular Ivy Renderer: A vastly improved rendering engine that provides significant performance enhancements over the previous View Engine. It uses a more efficient DOM manipulation strategy and optimized code generation.
3) RxJS (Reactive Extensions for JavaScript): A library for creating and managing asynchronous data streams. It enables reactive programming, allowing developers to work with events, observables, and subscriptions to handle asynchronous operations in a simplified manner.
4) Change Detection Strategy: A mechanism in Angular that determines how and when changes to application state are detected and propagated. Different strategies, such as OnPush and Default, offer varying performance and optimization considerations.
5) Dependency Injection (DI): A design pattern that allows services and components to be provided and consumed through a centralized injector. It facilitates maintainability and flexibility by decoupling dependencies between components and services.
6) TypeScript: A superset of JavaScript that adds static typing, providing improved type safety, code completion, and maintainability. It helps in early error detection and reduces the chances of runtime errors.
Ways to Get More Points
1. Complete Tasks:
- Register your account
- * Verify your email address
- * Complete profile
- * Upload profile picture
- * Connect social media accounts
- 2. Engage in Activities:
- * Write articles
- * Ask questions
- * Answer questions
- * Vote on articles
- * Participate in discussions
- * Share content on social media
- 3. Contribute to the Community:
- * Help other users
- * Moderate content
- * Translate content
- * Create badges
- * Organize events
- 4. Participate in Contests and Promotions:
- * Enter weekly contests
- * Participate in monthly challenges
- * Join special events
- 5. Be Active and Consistent:
- * Visit the platform regularly
- * Engage with users
- * Share valuable content
- * Respond to comments and questions
- 6. Referrals:
- * Invite friends and colleagues to join the platform
- * Earn points for each successful referral
- 7. Exclusive Membership Options:
- * Upgrade to premium membership for bonus points and exclusive features
- 8. Special Programs:
- * Participate in loyalty programs
- * Earn points for completing certain milestones
- 9. Leverage Gamification Features:
- * Use badges to earn points for specific achievements
- * Track your progress and compete with friends
- 10. Pay Attention to Details:
- * Make sure to complete tasks efficiently
- * Ensure content is high quality
- * Follow community guidelines
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