React Tutorial
React is a JavaScript library for building user interfaces. It lets you compose complex UIs from small, isolated pieces of code called components. React uses a declarative paradigm where you describe what the UI should look like for any given state, and React handles updating the DOM efficiently.
Pages in this section
React Basics Explained — Complete Beginner's Guide to Components & JSX
Learn React from scratch: components, JSX, props, state, events, and forms explained step by step. Interactive sandbox, practice questions, and real-world examples included.
✓ LiveReact Hooks Explained — Complete Guide with Examples & Best Practices
Master React hooks: useState, useEffect, useContext, useRef, useReducer, useMemo, useCallback, and custom hooks. Step-by-step with interactive sandbox and practice.
✓ LiveReact Advanced Patterns — Complete Guide to Production-Ready React
Master advanced React: error boundaries, portals, code splitting, HOCs, render props, forwardRef, and reconciliation. Step-by-step with interactive sandbox.
✓ LiveReact API Reference & Cheatsheet
Complete React API reference: every hook, component pattern, JSX rule, context, portal, and code splitting syntax. Quick lookup for building production React apps.
✓ Live