1. What is temporal deal zone?
  2. Explain how does browser understands JSX / JS ?
  3. Write a logic to count the maximum number of repeating characters in a string?
  4. Write a logic to move all 0's to the end in an array?
  5. Explain promises and how it works?
  6. What are pure functions?
  7. What is polyfill? Write a polyfill for forEach method?
  8. what do you mean by synchronous and asynchronous?
  9. ES6 / ES7 things you have used?
  10. Why do we need arrow functions?
  11. What does Object. Freeze does?
  12. What is event bubbling and how to prevent it?
  13. What is Semantic HTML? name some HTML tags?
  14. Difference between ID and Class in HTML tags?
  15. What do you mean by CSS box modal?
  16. Explain CSS specificity?
  17. Different CSS positioning elements?
  18. Make a automated Time using ReactJS?
  19. Explain Different lifecycle methods?
  20. Difference between Pure component and Normal component?
  21. What is Content API?
  22. What is HOC?
  23. Controlled and uncontrolled components?
  24. What do you mean by CSS box modal?
  25. How do we write a functional setstate and what is the use of it?