In this video, I explain 10 important React interview questions in a simple and practical way.
If you are preparing for a frontend developer interview, these questions will help you understand core React concepts like re-renders, props vs state, Virtual DOM, hooks, useMemo, React.memo, global state management, scalable project structure, and performance optimization.
I made this video in an easy way so beginners can understand the answers and use them in interviews with confidence.
Topics covered:
0:00 intro
0:24 preventing unnecessary re-renders in react
0:32 Difference between state vs props
0:52 Virtual DOM and reconciliation
1:21 React Hooks
1:31 useState vs useRef
1:57 useMemo
2:17 React.memo
2:40 global state management
3:00 scalable React project structure
3:09 React performance optimization
This video is useful for React beginners, frontend developers, and anyone getting ready for a React interview.
#react #reactjs #frontend #webdevelopment #javascript #interviewquestions #coding #programming
