React Developer Interview Questions

3,481 react developer interview questions shared by candidates

Can you explain the key differences between React and other JavaScript libraries or frameworks like Angular or Vue.js? This question assesses your understanding of React's unique features and how it compares to other front-end technologies. What is the virtual DOM in React, and why is it important? This question tests your knowledge of a fundamental concept in React and your ability to explain why it's beneficial for optimizing web applications. How do you handle state and props in React components, and when would you use one over the other? This question evaluates your grasp of React's component architecture and your ability to manage and pass data within the application. Explain the component lifecycle in React. What are the different lifecycle methods, and when would you use them? This question assesses your understanding of how React components behave over time and how lifecycle methods can be utilized for tasks like initialization and cleanup. Can you describe a project or coding challenge you've worked on using React? What were the main challenges you faced, and how did you overcome them? This is an opportunity for you to showcase your practical experience and problem-solving skills in a React context. Be prepared to discuss a specific project and your contributions to it.
avatar

React Developer

Interviewed at Celebal Technologies

4.1
Sep 14, 2023

Can you explain the key differences between React and other JavaScript libraries or frameworks like Angular or Vue.js? This question assesses your understanding of React's unique features and how it compares to other front-end technologies. What is the virtual DOM in React, and why is it important? This question tests your knowledge of a fundamental concept in React and your ability to explain why it's beneficial for optimizing web applications. How do you handle state and props in React components, and when would you use one over the other? This question evaluates your grasp of React's component architecture and your ability to manage and pass data within the application. Explain the component lifecycle in React. What are the different lifecycle methods, and when would you use them? This question assesses your understanding of how React components behave over time and how lifecycle methods can be utilized for tasks like initialization and cleanup. Can you describe a project or coding challenge you've worked on using React? What were the main challenges you faced, and how did you overcome them? This is an opportunity for you to showcase your practical experience and problem-solving skills in a React context. Be prepared to discuss a specific project and your contributions to it.

1-General interview: - Technical background - Current job - Notice period 2- Technical Interview: - Some questions about JS, React, Typescript, HTML, CSS, Semantic, Git, Github, Redux, etc. 3- Behavioral interview: - Stress management - Task prioritization - Challenges management - Teamworking - Work ethics
avatar

Frontend React Developer

Interviewed at Soltia (Sweden)

5
May 20, 2022

1-General interview: - Technical background - Current job - Notice period 2- Technical Interview: - Some questions about JS, React, Typescript, HTML, CSS, Semantic, Git, Github, Redux, etc. 3- Behavioral interview: - Stress management - Task prioritization - Challenges management - Teamworking - Work ethics

Viewing 1131 - 1140 interview questions

See Interview Questions for Similar Jobs

Glassdoor has 3,481 interview questions and reports from React developer interviews. Prepare for your interview. Get hired. Love your job.