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So, you want to learn React? You've come to the right place! This isn't just another collection of articles; it's a comprehensive, book-level guide designed to take you from the absolute fundamentals of React to its most advanced concepts. Whether you're dreaming of building dynamic web applications, supercharging your frontend skills, or just curious about one of the most popular JavaScript libraries in the world, we've got you covered.
🤔 What Is This Book About?
This book is your trusty companion on the journey to mastering React. We believe in learning by doing and understanding the 'why' behind the 'how'. Expect clear explanations, practical examples, and a structured approach that builds your knowledge кирпичик за кирпичиком (that's "brick by brick" in Russian, a nod to the solid foundation we aim to build!).
Our goal is to make learning React an engaging, accessible, and rewarding experience. We're not just scratching the surface; we're diving deep!
📖 How Is This Book Structured?
Think of this book as a carefully curated learning path, divided into Chapters and Series:
- 🏛️ Chapters: Each chapter focuses on a major area of React development. We start with Chapter 01: The Absolute Basics, ensuring you have a rock-solid understanding of core principles before moving on to more complex topics like Chapter 02: Interactivity And State Management, Chapter 03: Advanced React Concepts, and Chapter 04: State Management At Scale.
- 📚 Series: Within each chapter, you'll find multiple series. Each series is a focused exploration of a specific topic within that chapter's theme. For example, in "The Absolute Basics," you'll find series like Series 01: What Is React, Series 02: Understanding Components, and Series 03: Writing Markup With JSX. This modular approach allows you to digest information in manageable chunks.
- 📄 Articles: Each series is composed of individual articles, presented in a logical, sequential order. Each article builds upon the last, ensuring a smooth learning curve.
This hierarchical structure (Chapters -> Series -> Articles) is designed to guide you from foundational knowledge to specialized skills, making complex topics easier to grasp.
🎯 Who Is This Book For?
This book is crafted for a wide range of learners:
- 👶 Beginners to Programming: If you're new to web development or programming in general, our initial chapters will gently introduce you to the core concepts.
- 💻 Developers New to React: Coming from another framework or library (like Angular, Vue, or jQuery)? We'll help you transition smoothly and understand React's unique paradigms.
- ⚛️ Existing React Developers: Looking to deepen your understanding, explore advanced patterns, or get up to speed with modern best practices (like Hooks, Context API, and Redux Toolkit)? Our later chapters and series are for you!
- 🎓 Students and Self-Learners: Anyone with a thirst for knowledge and a desire to build amazing user interfaces will find immense value here.
The only prerequisite is a basic understanding of HTML, CSS, and JavaScript. If you have that, you're ready to embark on this adventure!
🗺️ How to Read This Book
We recommend the following approach for the best learning experience:
- Sequential Learning (Recommended for most): For a comprehensive understanding, it's best to read the book sequentially, from Chapter 1, Series 1, Article 1, all the way through. Each part builds on the previous, creating a strong, interconnected web of knowledge.
- Targeted Learning (For the experienced): If you're already familiar with some React concepts and are looking to fill specific gaps, feel free to jump to particular chapters or series that interest you. The Table of Contents below is your guide!
- Practice, Practice, Practice: Don't just read! Code along with the examples, experiment, and try to build your own small projects based on what you've learned in each section. This active engagement is key to true mastery.
- Use the Links: Articles often link to previous concepts or external resources. Follow these links to reinforce your understanding or explore related topics.
No matter your current skill level, this book aims to be your go-to resource for all things React. Let's start building something amazing!
Table of Contents
Chapter 1: 🚀 The Absolute Basics
- Series 1: What is React?
- 01: The "What" and "Why" of React (Part 1)
- 02: The "What" and "Why" of React (Part 2)
- 03: Core Concepts: Components and Declarative UI
- 04: The Virtual DOM Explained
- 05: Setting Up Your Development Environment (Part 1)
- 06: Setting Up Your Development Environment (Part 2)
- 07: Your First React App with Vite (Part 1)
- 08: Your First React App with Vite (Part 2)
- Series 2: Understanding Components
- 09: Functional Components: The Modern Standard
- 10: Anatomy of a Component
- 11: Creating and Nesting Your First Components (Part 1)
- 12: Creating and Nesting Your First Components (Part 2)
- 13: Component Reusability: The DRY Principle in React
- 14: Class Components: A Look at the Past (Part 1)
- 15: Class Components: A Look at the Past (Part 2)
- Series 3: Writing Markup with JSX
- Series 4: Adding Styles to Your Application
- 23: Styling with Plain CSS (Part 1)
- 24: Styling with Plain CSS (Part 2)
- 25: Inline Styles in React (Part 1)
- 26: Inline Styles in React (Part 2)
- 27: CSS Modules (Part 1)
- 28: CSS Modules (Part 2)
- 29: Introduction to CSS-in-JS (Part 1)
- 30: Introduction to CSS-in-JS (Part 2)
- 31: Advanced Styling: Tailwind CSS with React (Part 1)
- 32: Advanced Styling: Tailwind CSS with React (Part 2)
- Series 5: Displaying Data and Conditional Rendering
- 33: Props: Passing Data to Components (Part 1)
- 34: Props: Passing Data to Components (Part 2)
- 35: Rendering Lists with .map() (Part 1)
- 36: Rendering Lists with .map() (Part 2)
- 37: The key Prop: Why It's Crucial
- 38: Conditional Rendering Techniques (Part 1)
- 39: Conditional Rendering Techniques (Part 2)
- 40: Advanced Conditional Rendering
Chapter 2: 🎮 Interactivity and State Management
- Series 6: Handling Events
- Series 7: Introduction to State with useState
- 49: The useState Hook: A Deep Dive (Part 1)
- 50: The useState Hook: A Deep Dive (Part 2)
- 51: State Updates and Re-rendering
- 52: Working with State: Numbers, Strings, and Booleans
- 53: Working with State: Objects and Arrays (Part 1)
- 54: Working with State: Objects and Arrays (Part 2)
- 55: The Setter Function: Functional Updates
- 56: Multiple State Variables vs. a Single State Object
- Series 8: Sharing Data Between Components
- 57: The Problem: Prop Drilling
- 58: Lifting State Up: The Solution (Part 1)
- 59: Lifting State Up: The Solution (Part 2)
- 60: Creating a Single Source of Truth
- 61: Inverse Data Flow: Child-to-Parent Communication (Part 1)
- 62: Inverse Data Flow: Child-to-Parent Communication (Part 2)
- 63: Thinking in React: A Practical Example (Part 1)
- 64: Thinking in React: A Practical Example (Part 2)
Chapter 3: 🧠 Advanced React Concepts
- Series 9: The Component Lifecycle and useEffect
- 65: The useEffect Hook for Side Effects (Part 1)
- 66: The useEffect Hook for Side Effects (Part 2)
- 67: The Dependency Array Explained (Part 1)
- 68: The Dependency Array Explained (Part 2)
- 69: The Cleanup Function
- 70: Fetching Data with useEffect (Part 1)
- 71: Fetching Data with useEffect (Part 2)
- 72: useEffect vs. Class Lifecycle Methods
- Series 10: Building Forms in React
- 73: Controlled Components for Forms (Part 1)
- 74: Controlled Components for Forms (Part 2)
- 75: Uncontrolled Components and useRef
- 76: Form Validation: The Basics
- 77: Advanced Form Handling with Formik (Part 1)
- 78: Advanced Form Handling with Formik (Part 2)
- 79: Another Option: React Hook Form (Part 1)
- 80: Another Option: React Hook Form (Part 2)
- Series 11: Custom Hooks
- 81: The Power of Custom Hooks
- 82: Creating Your First Custom Hook: useToggle (Part 1)
- 83: Creating Your First Custom Hook: useToggle (Part 2)
- 84: A Custom Hook for Data Fetching: useFetch (Part 1)
- 85: A Custom Hook for Data Fetching: useFetch (Part 2)
- 86: A Custom Hook for Local Storage: useLocalStorage (Part 1)
- 87: A Custom Hook for Local Storage: useLocalStorage (Part 2)
- 88: Rules of Hooks and Best Practices
- Series 12: Routing with React Router
- 89: Setting up React Router (Part 1)
- 90: Setting up React Router (Part 2)
- 91: Basic Routing: Routes, Route, and Link (Part 1)
- 92: Basic Routing: Routes, Route, and Link (Part 2)
- 93: Dynamic Routing with URL Parameters (Part 1)
- 94: Dynamic Routing with URL Parameters (Part 2)
- 95: Programmatic Navigation with useNavigate
- 96: Nested Routes and Layouts
Chapter 4: 🗄️ State Management at Scale
- Series 13: The Context API
- 97: The Context API: A Deep Dive (Part 1)
- 98: The Context API: A Deep Dive (Part 2)
- 99: When to Use Context
- 100: Building a Theme Switcher with Context (Part 1)
- 101: Building a Theme Switcher with Context (Part 2)
- 102: Combining Context with useReducer for Complex State (Part 1)
- 103: Combining Context with useReducer for Complex State (Part 2)
- 104: Context API Pitfalls
- Series 14: Introduction to Redux
- 105: The Core Principles of Redux (Part 1)
- 106: The Core Principles of Redux (Part 2)
- 107: Redux Actions and Action Creators (Part 1)
- 108: Redux Actions and Action Creators (Part 2)
- 109: Redux Reducers (Part 1)
- 110: Redux Reducers (Part 2)
- 111: The Redux Store
- 112: Connecting React and Redux with react-redux
- Series 15: Advanced Redux with Redux Toolkit
- 113: Why Redux Toolkit?
- 114: configureStore and createSlice (Part 1)
- 115: configureStore and createSlice (Part 2)
- 116: Async Logic with createAsyncThunk (Part 1)
- 117: Async Logic with createAsyncThunk (Part 2)
- 118: Structuring a Modern Redux App
- 119: Redux DevTools: Your Best Friend for Debugging (Part 1)
- 120: Redux DevTools: Your Best Friend for Debugging (Part 2)
Chapter 5: ⚡ Performance and Optimization
- Series 16: Optimizing Performance
- 121: Understanding Re-renders in React
- 122: React.memo for Component Memoization (Part 1)
- 123: React.memo for Component Memoization (Part 2)
- 124: useMemo for Memoizing Expensive Calculations (Part 1)
- 125: useMemo for Memoizing Expensive Calculations (Part 2)
- 126: useCallback for Memoizing Functions (Part 1)
- 127: useCallback for Memoizing Functions (Part 2)
- 128: Profiling Your App with the React DevTools Profiler
- Series 17: Code Splitting and Lazy Loading
- 129: The "Why" of Code Splitting
- 130: Route-based Code Splitting with React.lazy (Part 1)
- 131: Route-based Code Splitting with React.lazy (Part 2)
- 132: The Suspense Component (Part 1)
- 133: The Suspense Component (Part 2)
- 134: Component-based Code Splitting
- 135: Preloading Lazy Components
- 136: Advanced Code Splitting with Webpack
- Series 18: Error Boundaries
- 137: What are Error Boundaries?
- 138: Creating a Reusable Error Boundary Component (Part 1)
- 139: Creating a Reusable Error Boundary Component (Part 2)
- 140: Where to Place Error Boundaries
- 141: Using Error Boundaries with Hooks (Part 1)
- 142: Using Error Boundaries with Hooks (Part 2)
- 143: Reporting Errors to a Service (Part 1)
- 144: Reporting Errors to a Service (Part 2)
Chapter 6: 🚢 From Development to Production
- Series 19: Testing Your React Application
- 145: The Testing Pyramid and React
- 146: Setting up Jest and React Testing Library (Part 1)
- 147: Setting up Jest and React Testing Library (Part 2)
- 148: Writing Your First Unit Tests (Part 1)
- 149: Writing Your First Unit Tests (Part 2)
- 150: Testing User Interactions
- 151: Mocking API Calls in Tests (Part 1)
- 152: Mocking API Calls in Tests (Part 2)
- Series 20: Building and Deploying to Production
- 153: Creating a Production Build
- 154: Environment Variables in React (Part 1)
- 155: Environment Variables in React (Part 2)
- 156: Deploying to Netlify (Part 1)
- 157: Deploying to Netlify (Part 2)
- 158: Deploying to Vercel (Part 1)
- 159: Deploying to Vercel (Part 2)
- 160: Setting up a CI/CD Pipeline with GitHub Actions
Remember to check for new articles regularly! We're constantly expanding and refining this book to make it the best React resource out there!
