Skip to content

Complete React.js notes from beginner to advanced with examples, hooks, routing, Redux, and Tailwind.

Notifications You must be signed in to change notification settings

DudekulaBabji/React.js-Notes

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

1 Commit
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Repository files navigation

📘 React.js Notes — Beginner to Advanced

A complete collection of React.js notes, covering everything from beginner fundamentals to advanced concepts.
Includes definitions, explanations, examples, best practices, and real-world interview questions.

Perfect for beginners, students, and developers preparing for interviews.


🚀 Topics Covered


✅ 1. Introduction to React

• What is React?

• Why React?

• SPA (Single Page Application)

• Virtual DOM & Reconciliation

• JSX (JavaScript XML)


✅ 2. Installing & Setting Up React

• Installing Node.js

• Create React App (CRA)


✅ 3. Components

• Function Components

• Class Components

• Component Structure

• Props (Passing Data)

• State (useState / setState)

• Controlled vs Uncontrolled Components


✅ 4. React Hooks

• useState

• useEffect

• useRef

• useContext

• useMemo

• useCallback

• Custom Hooks

• Lifecycle Equivalents Using Hooks


✅ 5. Higher Order Components (HOC)

• What is HOC?

• Why We Use It?


✅ 6. React Router

• What is Client-Side Routing?

• Installing React Router

• createBrowserRouter

• RouterProvider

• Link, Outlet

• useNavigate, useParams, useLocation

• Nested Routes

• Error Handling (useRouteError)


✅ 7. State Management (Redux & Toolkit)

• Why Redux?

• Redux Store

• Reducers

• Actions & action.payload

• Slice (createSlice)

• Dispatch & Selectors

• Provider Setup

• Counter Example (Beginner Friendly)


✅ 8. Lists & Rendering

• map() Usage in React

• Conditional Rendering

• Filter & Search Functions

• Keys in Lists (Why They Matter)


✅ 9. Tailwind CSS

• Installing Tailwind in React

• Utility Classes

• Responsive Design

• Tailwind Components

• Shimmer UI (Skeleton Loading)


✅ 10. Optimization & Advanced Topics

• Memoization

• Lazy Loading

• Code Splitting

• Error Boundaries

• Debouncing & Throttling

• Custom Hooks — Best Practices


🧑‍💻 Technologies Used

  • React.js
  • JavaScript (ES6+)
  • Tailwind CSS
  • React Router
  • Redux Toolkit
  • NPM

About

Complete React.js notes from beginner to advanced with examples, hooks, routing, Redux, and Tailwind.

Resources

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published