Learn these concepts to master React JS ✅

𝟏. 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬
- Functional Components
- Class Components
- JSX (JavaScript XML) Syntax
𝟐. 𝐏𝐫𝐨𝐩𝐬 (𝐏𝐫𝐨𝐩𝐞𝐫𝐭𝐢𝐞𝐬)
- Passing Props
- Default Props
- Prop Types
𝟑. 𝐒𝐭𝐚𝐭𝐞
- useState Hook
- Class Component State
- Immutable State
𝟒. 𝐋𝐢𝐟𝐞𝐜𝐲𝐜𝐥𝐞 𝐌𝐞𝐭𝐡𝐨𝐝𝐬 (𝐂𝐥𝐚𝐬𝐬 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬)
- componentDidMount
- componentDidUpdate
- componentWillUnmount
𝟓. 𝐇𝐨𝐨𝐤𝐬 (𝐅𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐚𝐥 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬)
- useState
- useEffect
- useContext
- useReducer
- useCallback
- useMemo
- useRef
- useImperativeHandle
- useLayoutEffect
𝟔. 𝐄𝐯𝐞𝐧𝐭 𝐇𝐚𝐧𝐝𝐥𝐢𝐧𝐠
- Handling Events in Functional Components
- Handling Events in Class Components
𝟕. 𝐂𝐨𝐧𝐝𝐢𝐭𝐢𝐨𝐧𝐚𝐥 𝐑𝐞𝐧𝐝𝐞𝐫𝐢𝐧𝐠
- if Statements
- Ternary Operators
- Logical && Operator
𝟖. 𝐋𝐢𝐬𝐭𝐬 𝐚𝐧𝐝 𝐊𝐞𝐲𝐬
- Rendering Lists
- Keys in React Lists
𝟗. 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 𝐂𝐨𝐦𝐩𝐨𝐬𝐢𝐭𝐢𝐨𝐧
- Reusing Components
- Children Props
- Composition vs Inheritance
𝟏𝟎. 𝐇𝐢𝐠𝐡𝐞𝐫-𝐎𝐫𝐝𝐞𝐫 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬 (𝐇𝐎𝐂)
- Creating HOCs
- Using HOCs for Reusability
𝟏𝟏. 𝐑𝐞𝐧𝐝𝐞𝐫 𝐏𝐫𝐨𝐩𝐬
- Using Render Props Pattern
𝟏𝟐. 𝐑𝐞𝐚𝐜𝐭 𝐑𝐨𝐮𝐭𝐞𝐫
- <BrowserRouter>
- <Route>
- <Link>
- <Switch>
- Route Parameters
𝟏𝟑. 𝐍𝐚𝐯𝐢𝐠𝐚𝐭𝐢𝐨𝐧
- useHistory Hook
- useLocation Hook

𝐒𝐭𝐚𝐭𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭
𝟏𝟒. 𝐂𝐨𝐧𝐭𝐞𝐱𝐭 𝐀𝐏𝐈
- Creating Context
- useContext Hook
𝟏𝟓. 𝐑𝐞𝐝𝐮𝐱
- Actions
- Reducers
- Store
- connect Function (React-Redux)
𝟏𝟔. 𝐅𝐨𝐫𝐦𝐬
- Handling Form Data
- Controlled Components
- Uncontrolled Components
𝟏𝟕. 𝐒𝐢𝐝𝐞 𝐄𝐟𝐟𝐞𝐜𝐭𝐬
- useEffect for Data Fetching
- useEffect Cleanup
𝟏𝟖. 𝐀𝐉𝐀𝐗 𝐑𝐞𝐪𝐮𝐞𝐬𝐭𝐬
- Fetch API
- Axios Library

𝐄𝐫𝐫𝐨𝐫 𝐇𝐚𝐧𝐝𝐥𝐢𝐧𝐠
𝟏𝟗. 𝐄𝐫𝐫𝐨𝐫 𝐁𝐨𝐮𝐧𝐝𝐚𝐫𝐢𝐞𝐬
- componentDidCatch (Class Components)
- ErrorBoundary Component (Functional Components)
𝟐𝟎. 𝐓𝐞𝐬𝐭𝐢𝐧𝐠
- Jest Testing Framework
- React Testing Library
𝟐𝟏. 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧
- Memoization
- Profiling and Performance Monitoring
𝟐𝟐. 𝐁𝐮𝐢𝐥𝐝 𝐚𝐧𝐝 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭
- Create React App (CRA)
- Production Builds
- Deployment Strategies

𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 𝐚𝐧𝐝 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬
𝟐𝟑. 𝐒𝐭𝐲𝐥𝐢𝐧𝐠 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬
- Styled-components
- CSS Modules
𝟐𝟒. 𝐒𝐭𝐚𝐭𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬
- Redux
- MobX
𝟐𝟓. 𝐑𝐨𝐮𝐭𝐢𝐧𝐠 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬
- React Router
- Reach Router

Web Development Best Resources: https://topmate.io/coding/930165

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