React Js Interview Questions 2018
Top ReactJS Interview Questions for 2018
React Js Interview Questions 2018
React JS interview questions for 2018 delve into the latest features, best practices, and performance optimizations in the popular JavaScript framework. They assess candidates' understanding of modern React concepts such as hooks, context, and fiber reconciliation, as well as their ability to apply them effectively in real-world applications.
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1 - Explain the concept of React Hooks.
2) What are the key differences between class and functional components in React?
3) Describe the Virtual DOM and its role in React.
4) Explain the lifecycle methods of a React component.
5) What is the purpose of propTypes and defaultProps in React?
6) How to handle state management in a React application?
7) What are the benefits of using React Redux for state management?
8) Explain the concept of controlled and uncontrolled components in React.
9) What are the common performance optimizations techniques in React?
10) Describe the process of creating a React application using create react app.
11 - Explain the use of React Router for navigation in React applications.
12) What are the common testing tools used for React applications?
13) What are the best practices for writing React code?
14) What are the latest trends and advancements in React ecosystem?
15) Discuss the role of React in building scalable and performant web applications.
- Answer questions thoroughly and accurately. The more detailed and informative your answers are, the more points you're likely to earn.
- Be the first to answer questions.* The first person to answer a question often gets the most points.
- Answer questions in popular categories.* Questions in popular categories tend to attract more views and upvotes, which can lead to more points.
- Get your answers upvoted by other users.* Other users can upvote your answers to show their appreciation and agreement. Each upvote is worth one point.
- Participate in discussions and ask questions.* Asking questions and participating in discussions can help you build a reputation as a knowledgeable and helpful member of the community. This can lead to more people upvoting your answers and giving you points.
- Be patient and persistent.* It takes time to build up a good reputation and earn points. Don't get discouraged if you don't see immediate results. Just keep answering questions and participating in discussions, and you'll eventually start to see your points increase.
- Answer questions quickly and accurately.* The faster you answer questions, the more points you will earn. You can also earn bonus points for answering questions correctly.
- Ask good questions.* Questions that are interesting and relevant will get more views and answers, which will earn you more points.
- Upvote other people's answers.* When you upvote an answer, you are showing your appreciation for the person who wrote it. This will encourage them to continue answering questions, which will benefit everyone.
- Join a team.* Teams can work together to earn points and achieve goals. This can be a great way to motivate yourself and stay engaged.
- Participate in events.* Quora hosts a variety of events throughout the year, such as Q&A sessions and contests. These events can be a great way to earn points and win prizes.
- Course Overview
- React JS Interview Questions 2018 provides an in-depth review of the key concepts covered in React JS interviews, including JSX syntax, component lifecycles, state management, performance optimization, and testing techniques.
- Course Description
- Master React.js Interview Questions 2018 and ace your next technical interview. This advanced course covers the essential concepts, latest trends, and common pitfalls to help you demonstrate your expertise in React.js development.
- Key Features
- 1 - Comprehensive Tool Coverage: Provides hands-on training with a range of industry-standard testing tools, including Selenium, JIRA, LoadRunner, and TestRail.
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- 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 - React Native CLI: A command line interface for creating and managing React Native projects.
2) Expo: A cross platform framework for building React Native apps that includes a set of tools and components.
3) React Navigation: A library for creating navigation systems in React Native apps.
4) Redux: A state management library for React Native apps.
5) Axios: A library for making HTTP requests in React Native apps.
6) Jest: A testing framework for React Native apps.
1. Participate in Discussions and Q&A Sessions:
- Actively engage in forum discussions and Q&A sections.
- * Provide insightful answers and share your knowledge.
- * Ask thoughtful questions that demonstrate your comprehension and curiosity.
- 2. Create High Quality Content:
- * Publish blog posts, articles, or videos that offer valuable information and insights.
- * Ensure your content is well written, informative, and original.
- * Use relevant keywords and optimize for search engines.
- 3. Join the Community:
- * Connect with other users, follow experts, and participate in group discussions.
- * Show appreciation for others' contributions by liking, commenting, and sharing.
- * Be an active and supportive member of the community.
- 4. Participate in Contests and Challenges:
- * Look for contests or challenges that offer rewards for participating.
- * Submit high quality entries that showcase your skills.
- * Even if you don't win, participation demonstrates your engagement.
- 5. Use the Gamification Features:
- * Explore the platform's gamification features, such as badges, leaderboards, and reputation points.
- * Earn points by completing challenges, contributing content, and engaging with the community.
- 6. Build a Following:
- * Promote your content on social media and other platforms.
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- 7. Collaborate with Others:
- * Reach out to other users with complementary skills or interests.
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- 8. Stay Consistent:
- * Regularly participate in the community and contribute to discussions.
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- * Show your dedication and commitment by being an active member.
- 9. Seek Feedback and Improve:
- * Ask for constructive criticism from other users.
- * Use feedback to improve the quality of your content and participation.
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- 10. Use Relevant Keywords:
- * Identify relevant keywords in discussions, articles, and content.
- * Use these keywords in your posts and comments to make your contributions more visible.
- * Research popular and trending topics to stay up to date.
- Play consistently.* The more you play, the more points you'll earn. Try to play at least once a day, even if it's just for a short amount of time.
- Complete challenges.* Challenges are a great way to earn extra points. They can be found in the “Challenges” tab of the app.
- Refer friends.* You'll earn points for each friend you refer to the app.
- Take surveys.* Surveys are another way to earn extra points. They can be found in the “Surveys” tab of the app.
- Watch videos.* You can earn points for watching videos. They can be found in the “Videos” tab of the app.
- Enter contests.* Contests are a great way to win big points. They can be found in the “Contests” tab of the app.
- Redeem points.* Once you've earned enough points, you can redeem them for rewards. Rewards can include gift cards, cash, and merchandise.
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