Development · intermediate
React.js Complete Course
Build production-quality React applications from scratch. Master components, state management, hooks, data fetching with TanStack Query, routing, testing, and performance. Curriculum follows the official react.dev learning path — the most accurate and up-to-date React teaching sequence available.
- 14 hours
- 21 lessons
- 8 modules
- updated August 2026
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Try it before you sign up
Read a full lesson from Module 1. No account needed.
free lesson · read · 20 min
What React Is and Setting Up Your First Project
React is a JavaScript library for building user interfaces. Its core bet: UI is a function of state. When state changes, React automatically updates the UI to match. You describe what the UI should look like for a given…
curriculum
8 modules, 21 lessons
The whole course is free.
- readWhat React Is and Setting Up Your First Project20 min
- readProps: Passing Data to Components25 min
- videoReact Crash Course 202430 min
how it's built
Built by the CloudaQube team
No celebrity instructor — here is exactly what goes into the course instead.
- 01 Last updated August 2026.
- 02 Any module can become a hands-on lab in Labs Studio.
outcomes
What you'll be able to do
- 01 Build complex UIs with components and props
- 02 Master useState, useEffect, useReducer, and useContext
- 03 Fetch and cache server data with TanStack Query
- 04 Implement client-side routing with React Router v6 (with React Router v7 migration awareness)
- 05 Write tests with Vitest and React Testing Library
- 06 Optimise performance with memoization and code splitting
before you start
- — JavaScript ES6+ (functions, array methods, promises, async/await)
- — Basic HTML and CSS
- — Optional: TypeScript fundamentals helpful but not required
questions
Before you start
How long does it take?
About 14 hours of lessons, videos and hands-on walkthroughs across 8 modules.
What’s free?
The whole course is free — no card required.
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