ReactJs Interview questions

1. What is React

2. What are the major features of React

3. What is JSX

4. What is the difference between Element and Component in react js

5. How to create components in React

6. When to use a Class Component over a Function Component

7. What are Pure Components in reactjs

8. What is state in React

9. What are props in React

10. What is the difference between state and props in reactjs

11. Why should we not update the state directly

12. What is the difference between HTML and React event handling

13. What are synthetic events in React

14. What are inline conditional expressions

15. What is Virtual DOM

16. What is React Fiber