React js interview questions and Answers
ReactJS is a JavaScript library for building reusable User interface components. It is a template-based language combined with different functions that support the HTML. Our recently updated React Interview Questions can help you crack your next interview. This means the result of any React's operation is an HTML code. You can use ReactJS to build all kinds of single-page applications.
| Short Questions About React | |
|---|---|
| What is the latest version of React? | 18.0, released on March 29, 2022. |
| When was React first released? | 29th May 2013 |
| React JS is Created By | Jordan Walke |
| License of ReactJS | MIT License |
React Developer Interview Questions
It is a cross-browser wrapper that is around the native event of the same browser. This is the most important question in react interview questions.
Top 20 React.js Interview Questions
Here you will find the list of Top React interview questions, which were written under the supervision of industry experts. These are the most common questions and usually asked in every interview for the role of the React Developers.
- What is HOC?
- What are the difference between Rest and Spread Operator?
- What are the key benefits of using Arrow functions?
- What is Pure Component?
- What are Controlled and Uncontrolled components with example?
- What is Refs?
- What is the difference between class based component & function based components?
- How to work React?
- Why virtual Dom is faster than real dom?
- How does virtual Dom work in react?
- What are the difference between null & undefined?
Conclusion
Now that you have read all the react questions, it is time for you to go towards the next level. Applying for a developer position would require you to actually code and not just give answers to theoretical questions.
That’s why you should enhance your skills by complementing the above react developer interview questions with a practical mindset. Start coding small stuff, get your concepts crystal clear. It’s all about how you can apply your knowledge in different projects. Code and code, that’s the secret to winning the dream job!