React 18+ Masterclass (2026 Edition)

Understand what React actually is, component architecture, Virtual DOM, React vs Plain JS, and essential JavaScript features required before writing React code.

Set up a blazingly fast React environment using Vite, understand folder structures, main.jsx, App.jsx, and build your first functional React component.

Master JSX syntax rules, embedding JavaScript expressions with curly braces, CSS styling approaches (CSS modules, inline styles, className), and organizing components.

Pass data into components using Props, handle default props, perform conditional rendering with ternary/AND operators, and render dynamic arrays with lists & keys.

Handle synthetic click/change events, manage component interactivity with useState hook, and properly update state containing objects and arrays without mutating.

Build interactive forms using Controlled Components, handle multi-input state cleanly, prevent default form submission, and implement real-time form validation.

Understand unidirectional data flow (Parent to Child), pass callback functions (Child to Parent), and lift state up to common ancestor components.

Perform side effects like timers, event listeners, and DOM manipulation with useEffect, handle dependency arrays, cleanup functions, and access DOM elements directly with useRef.

Fetch data from REST APIs using fetch / Axios inside useEffect, manage loading and error states, and build a full API-driven project.

Manage complex state transitions with useReducer, avoid prop drilling across deep component trees using Context API, and explore Redux Toolkit / Zustand.

Build Single Page Applications (SPAs) with multi-page navigation using React Router v6, dynamic route params, programmatic navigation with useNavigate, and nested layouts.

Design resilient component systems, extract reusable business logic into Custom Hooks, and write scalable production-ready React code.