REACTJS INTERVIEW | 1ST ROUND | 2+ YEARS EXP
Reactjs Interview
Questions Asked in this Interview Are?
00:00 ReactJS interview
01:19 1. What are the Major Feature of ReactJS?
01:42 2. How virtualDOM work?
02:21 3. What is JSX?
02:35 4. How lopping operation done in JSX?
02:50 5. Why key parameter is important while using map operation ?
03:23 6. What is difference between map and forEach?
03:45 7. What is difference between state and props?
04:10 8. setState method is synchronous or asynchronous?
04:25 9. How to perform synchronous work flow in setState?
05:05 10. How do you prevent component from re-rendering?
05:44 11. What are HOC?
12. Give one example of HOC?
06:15 13. What are Error boundaries?
06:44 14. What is difference between Error boundaries and try catch method?
07:44 15. How do you convert class component into function component and implement all lifecycle method.
08:44 16. What if don't pass dependency array in useEffect What will happen?
09:05 17. Why do we use redux in react app?
10:10 18. Should we keep all state in redux?
10:56 19. How do you make API call from redux?
11:45 20. Explain complete workflow of redux?
14:43 21. How do you define page not found route in react?
15:15 22. How do you prevent browser back action in react?
16:00 23. How you navigate programmatically in react?
#interview #reactjs #react #frontend #frontenddeveloper #javascript #redux
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