React Tutorial

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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.

React 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.

React 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.

React 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.

React JSX Explained — Complete Guide to JSX Syntax

Learn React JSX syntax: embed JavaScript expressions, use attributes, handle conditional rendering, render lists, and understand how JSX compiles to React.createElement calls.

React Components Explained — Building Blocks of React Apps

Learn React components: function components, composition, reusable UI patterns, component organization, and best practices for building scalable React applications.

React Props Explained — Passing Data Between Components

Learn React props: pass data from parent to child, destructure props, use default props, prop types, children prop, and patterns for flexible component APIs.

React State Explained — Managing Component Data

Learn React state management: useState hook, state updates, immutable state patterns, lift state up, and decide between local and shared state for your components.

React Lifecycle Explained — Component Mount, Update, and Unmount

Learn React component lifecycle: mounting, updating, unmounting phases, useEffect equivalents for lifecycle events, and how to manage side effects at each stage.

React useEffect Explained — Side Effects in Function Components

Learn React useEffect: manage side effects like data fetching, subscriptions, timers, and DOM manipulation. Understand dependencies, cleanup, and common patterns.

React Refs Explained — Accessing DOM Elements and Mutable Values

Learn React refs: useRef for DOM access, mutable values, forwardRef for component refs, and callback refs. Manage focus, animations, and measurements.

React Context Explained — Avoid Prop Drilling with Global State

Learn React Context API: createContext, Provider, useContext hooks. Share state across components without prop drilling, manage themes, auth, and user preferences.

React useReducer Explained — Complex State Management Made Simple

Learn React useReducer hook: manage complex state with reducers, handle multiple state transitions, combine with context, and build predictable state logic.

React.memo Explained — Prevent Unnecessary Re-renders

Learn React.memo: memoize components to skip re-rendering when props have not changed, compare props, optimize performance, and avoid premature optimization.

React useCallback Explained — Stabilize Function References

Learn React useCallback hook: memoize callback functions, stabilize references for child components, prevent unnecessary re-renders, and optimize performance.

React Children Explained — Working with Component Children

Learn React children: the children prop, React.Children utilities, cloning elements, manipulating child components, and passing data through the component tree.

React Portals Explained — Render Components Outside the DOM Tree

Learn React portals: render children into a different DOM subtree, create modals, tooltips, dropdowns, and overlays that escape parent container styling.

React Error Boundaries Explained — Graceful Error Handling

Learn React error boundaries: catch JavaScript errors in component trees, display fallback UI, log errors, and prevent entire app crashes from component failures.

React Suspense Explained — Manage Loading States Declaratively

Learn React Suspense: declarative loading states, fallback UI, Suspense boundaries, concurrent rendering, and data fetching with Suspense-enabled frameworks.

React Controlled Forms Explained — Complete Guide

Learn React controlled forms: manage form state with useState, handle inputs, select, textarea, checkbox, radio, and file uploads. Validate and submit form data.

React Uncontrolled Forms Explained — Using Refs for Form Data

Learn React uncontrolled forms: access form values with refs, use defaultValue, handle file uploads, integrate with non-React code, and choose between controlled and uncontrolled.

React Routing Explained — Navigation in Single Page Applications

Learn React routing: set up React Router, configure routes, add navigation links, handle 404 pages, and build multi-page experiences in single-page applications.

React Router DOM Explained — Complete Guide

Learn React Router DOM v6: BrowserRouter, Routes, Route, Link, NavLink, useNavigate, useParams, Outlet, nested routes, and protected routes for React SPAs.

React Query Parameters Explained — URL Search Params and Route Params

Learn React query params: useParams for route parameters, useSearchParams for query strings, URL-based state, and building filterable and searchable page URLs.

React Nested Routes Explained — Layouts and Sub-routes

Learn React nested routes: create layout components with Outlet, define child routes, build multi-level navigation, and manage shared UI for route groups.

React API Fetching Explained — Data Fetching Patterns

Learn React API fetching: fetch data with useEffect, handle loading and error states, abort requests, use custom hooks, and integrate with React Query for caching.

React Axios Explained — HTTP Client for React Apps

Learn React Axios: HTTP requests, interceptors, error handling, request cancellation, and integration patterns for using Axios with React applications.

React Custom Hooks Explained — Reusable Logic Extraction

Learn React custom hooks: extract reusable logic, create hooks for data fetching, form handling, media queries, and combine hooks for complex behaviors.

React Hooks Rules Explained — The Rules of Hooks

Learn React hooks rules: only call hooks at the top level, only from React functions, dependency arrays, the ESLint plugin, and understanding why these rules exist.

React Composition Explained — Component Composition Patterns

Learn React composition: component composition patterns, children props, specialized components, containers, and building flexible component APIs without inheritance.

React Render Props Explained — Sharing Code with Render Props Pattern

Learn React render props pattern: share code between components using function props, build flexible data providers, and understand render props vs hooks.

React Higher-Order Components Explained — Component Enhancement Pattern

Learn React higher-order components: HOC pattern for reusing component logic, wrapping components with enhanced behavior, and understanding HOC limitations vs hooks.

React PropTypes Explained — Type Checking for React Components

Learn React PropTypes: validate component props, define required props, default values, custom validators, and migrate to TypeScript for type safety.

React Testing with Jest — Complete Guide

Learn React testing with Jest: unit tests for components, snapshot testing, mocking modules, testing hooks, and running tests with Jest and React Testing Library.

React Testing Library Explained — Component Testing Best Practices

Learn React Testing Library: render components, query elements, simulate user events, test accessibility, and follow best practices for testing React components.

React Storybook Explained — Component Development Environment

Learn React Storybook: build UI components in isolation, create stories, document components, test visual variations, and integrate with design systems.

React Performance Explained — Optimization Techniques

Learn React performance optimization: React.memo, useMemo, useCallback, virtualization, code splitting, lazy loading, profiling, and reducing re-renders.

React Virtualization Explained — Render Large Lists Efficiently

Learn React virtualization: react-window and react-virtuoso libraries, windowing techniques for large lists, fixed and variable height items, and infinite scrolling.

React Code Splitting Explained — Reduce Bundle Size

Learn React code splitting: dynamic imports, React.lazy, Suspense, route-based splitting, component-level splitting, and bundle analysis for optimal performance.

React Lazy and Suspense Explained — Dynamic Imports

Learn React.lazy and Suspense: dynamic component loading, fallback UI, error handling, preloading, and best practices for lazy loading React components.

React Next.js Integration Explained — Full-Stack React

Learn React Next.js: server-side rendering, static generation, API routes, file-based routing, and how Next.js extends React for production applications.

React TypeScript Explained — Type-Safe React Components

Learn React TypeScript: type components, props, state, hooks, events, context, and advanced patterns for building type-safe React applications with TypeScript.

React Accessibility Explained — Building Inclusive Web Apps

Learn React accessibility: ARIA attributes, semantic HTML, keyboard navigation, focus management, screen reader support, and testing accessibility in React apps.

React Project — Build a Complete React Application From Scratch

Learn React by building a complete application: project setup, component architecture, state management, routing, API integration, testing, and deployment.