🚀 Ultimate React Interview Roadmap to Crack React Interviews
#️⃣ Roadmap of React Interviews
🔹 Phase 1: Core React Concepts
- JSX & rendering process
- Reconciliation & Virtual DOM
- Component lifecycle (class hooks)
- Controlled vs uncontrolled components
🔹 Phase 2: Hooks & Advanced Patterns
- useState, useEffect deep dive
- Custom hooks
- useLayoutEffect vs useEffect
- useRef & DOM manipulation
- useContext global state
- Compound component pattern
- Render props, higher-order components
🔹 Phase 3: React Fiber & Internals
- Concurrent rendering
- Prioritization in React 18
- Why React batches updates
- How setState actually works internally
🔹 Phase 4: Performance Engineering
- Preventing unnecessary re-renders
- React.memo, useCallback, useMemo
- Profiler API
- Suspense & lazy loading
- Code splitting strategies
- Optimizing large lists
🔹 Phase 5: Architecture & System Design for Frontend
- Micro-frontend basics
- Component-driven architecture
- How to scale React apps
- Design reusable UI component libraries
- Integration patterns with backend APIs
- Error handling patterns
🔹 Phase 6: Testing & DevOps Skills
- Unit component testing
- Bundle optimizations (webpack, Vite)
🔹 Phase 7: System Thinking Real JS Expertise
- Event loop, Micro-tasks
- Closures, prototypes
- Debounce & throttle logic
- Observers & async patterns
- Browser rendering
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