1. Define ReactJs and Its features.
  2. Why should we use React, tell its advantages too?
  3. Enlist React limitations if you know any?
  4. Explain Virtual DOM of React and how does it work?
  5. What is the difference between Real and Virtual DOM?
  6. What is JSX in React? Explain with example and proper syntax?
  7. Why Can Browsers not read JSX?
  8. What is render () in React and why is it used?
  9. Differentiate between React and Angular.
  10. Define Props.
  11. Define State in React and the way it is used in React.
  12. Compare props and state.
  13. Compare stateful and stateless components.
  14. What are the phases of the lifecycle of React’s component?
  15. What is React.js? How is it different from other javascript frameworks?
  16. Explain lifecycle of a React component?
  17. Have you used HTML while working with React.js?
  18. How to set up routing in ReactJS. Explain with the help of step by step approach?
  19. How to use Events in ReactJS? Give an example of using events?

TOP MNC REACT JS INTERVIEW QUESTIONS