React Js Interview 🔥 | Selected 💯 | React js & JavaScript questions

If you are preparing for a React Js interview, you have come to the right place. In this article, we will cover some essential React Js and JavaScript questions that you must watch out for during your interview.

React Js Interview Questions

Below are some common questions that are often asked in React Js interviews:

• What is React Js and how does it differ from other JavaScript frameworks?
• What are the key features of React Js?
• Explain the virtual DOM and its role in React Js.
• What are the key components of React Js?
• Explain the difference between state and props in React Js.
• How do you handle events in React Js?
• Explain the concept of JSX in React Js.
• What are the lifecycle methods in React Js and how do they work?
• What are higher-order components in React Js and how do they work?

These are just a few examples of the types of questions you may be asked during a React Js interview. It’s important to familiarize yourself with these concepts and be able to explain them clearly and concisely.

JavaScript Interview Questions

In addition to React Js questions, you may also be asked general JavaScript questions. Some common JavaScript interview questions include:

• What are the different data types in JavaScript?
• Explain the concept of closures in JavaScript.
• How does prototypal inheritance work in JavaScript?
• What is the difference between == and === in JavaScript?
• Explain the event bubbling and event capturing in JavaScript.

Understanding these concepts as well as having a strong command of JavaScript will be beneficial during your React Js interview.

Conclusion

Preparing for a React Js interview can be a daunting task, but with the right knowledge and practice, you can set yourself up for success. Familiarize yourself with the questions mentioned above and be ready to showcase your skills and knowledge during the interview. Good luck!