Basic Interview Questions On React Js
Essential React.js Interview Questions
Basic Interview Questions On React Js
Basic React JS interview questions probe candidates' understanding of fundamental React concepts, including state management, component lifecycle, and rendering optimization. These questions are essential for evaluating candidates' ability to effectively utilize React's declarative programming paradigm to build interactive and responsive user interfaces. By answering these questions, candidates demonstrate their grasp of React's core principles and their ability to translate them into practical applications.
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1 - Explain React's component lifecycle methods.
2) Describe how React uses Virtual DOM.
3) Explain the concept of unidirectional data flow in React.
4) What are the benefits of using Redux in React applications?
5) Discuss the role of props and state in React components.
6) How do you handle API calls in React?
7) Explain the difference between uncontrolled and controlled components.
8) What are the key features of React Hooks?
9) Describe how you would implement lazy loading in React.
10) What are the advantages of using React over other JavaScript frameworks?
11 - How do you optimize the performance of React applications?
12) Explain how React handles server side rendering.
13) What are the best practices for testing React applications?
14) Describe the advantages of using TypeScript with React.
15) How do you implement routing in React applications?
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- Course Overview
- This comprehensive course provides a thorough understanding of fundamental interview questions commonly encountered in React JS interviews. It covers key concepts such as component lifecycle methods, props, state management, and advanced topics like hooks and server-side rendering. With interactive demos and practical exercises, participants gain the confidence and knowledge needed to effectively answer these questions and demonstrate their expertise in React JS.
- Course Description
- Become proficient in answering fundamental React JS interview questions with this comprehensive course. Learn to articulate your expertise on React concepts, component lifecycle, state management, data manipulation, and more. Master the art of conveying your knowledge and skills to ace your React JS interviews.
- 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 - React.js: A JavaScript library used for building user interfaces for web and mobile applications. It utilizes a declarative programming style and virtual DOM (Document Object Model) to enable efficient state management and UI updates.
2) Node.js: A server side JavaScript platform that allows developers to build scalable and real time applications. It provides access to low level system resources, such as file I/O, networking, and database interactions.
3) Express.js: A popular web framework for Node.js that simplifies the process of building web applications. It provides a wide range of middleware, routing, and templating features to create dynamic and responsive web pages.
4) MongoDB: A NoSQL (non relational) database that stores data in a document oriented format. It is often used in conjunction with React.js and Node.js for creating data driven web applications.
5) ESLint: A linter for JavaScript that helps identify and correct potential errors and inconsistencies in code. It enforces coding standards and best practices to maintain code quality and consistency.
6) Prettier: A code formatter that automatically formats JavaScript code according to a set of configurable rules. It helps ensure code readability and consistency, making it easier to maintain and collaborate on.
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