Day 1: React Basics

• • Topics: JSX, Components (Function and Class), Props, State, Conditional Rendering.
  • Tasks:
    • Revise React fundamentals.
    • Build a simple React app with dynamic content using state and props.
    • Interview Practice: Explain how props and state work in React.

  Day 2: Component Lifecycle

  • Topics: Component lifecycle methods (Class Components), Hooks (useEffect, useState).
  • Tasks:
    • Build a component that uses the useEffect hook for API calls.
    • Compare functional and class components.
    • Interview Practice: Discuss the differences between componentDidMount, componentDidUpdate, and useEffect.

  Day 3: Handling Forms and Events

  • Topics: Forms, Controlled/Uncontrolled components, Event handling in React.
  • Tasks:
    • Create a form with validation.
    • Handle form submission and data updates.
    • Interview Practice: Explain controlled vs. uncontrolled components.

  Day 4: State Management

  • Topics: Context API, Prop Drilling, Lifting State Up.
  • Tasks:
    • Implement a component that shares state between sibling components.
    • Use Context API to manage global state.
    • Interview Practice: Discuss state lifting and global state management.

  Day 5: Advanced State Management with Redux

  • Topics: Redux, Actions, Reducers, Store, Middleware (Thunk).
  • Tasks:
    • Set up a basic Redux store and use it to manage state in a React app.
    • Handle asynchronous actions using Redux Thunk.
    • Interview Practice: Explain the flow of data in Redux and how middleware works.

  Day 6: React Router

  • Topics: React Router, Route Params, useNavigate, Nested Routes, Dynamic Routing.
  • Tasks:
    • Create a multi-page React app using React Router.
    • Implement dynamic routes and use useParams to fetch route parameters.
    • Interview Practice: How does React Router differ from traditional routing?

  Day 7: Optimizing React Apps

  • Topics: Memoization (React.memo, useMemo, useCallback), Lazy Loading, Code Splitting.
  • Tasks:
    • Optimize a React component using React.memo and useCallback.
    • Implement lazy loading for routes using React.lazy and Suspense.
    • Interview Practice: How can you optimize performance in a React app?

  Repeat: Final Review and Mock Interviews

  • Topics: Review all the key concepts from previous days.
  • Tasks:
    • Revise and practice commonly asked interview questions.
    • Conduct a mock interview with a peer or mentor.
    • Interview Practice: Focus on behavioral questions, coding challenges, and explaining concepts clearly.

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  This plan covers most essential topics for React.js interviews. You can also focus on specific areas like styling (CSS-in-JS, MUI), deploying React apps, or integrating backend APIs depending on your experience.