Free
Course

Learn React

In this React course, you’ll build powerful interactive applications with one of the most popular JavaScript libraries.

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411,053 learners enrolled
  • Skill level

    Intermediate
  • Time to complete

    Approx. 20 hours
  • Certificate of completion

    Included with paid plans
  • Prerequisites

    2 courses

About this course

React (sometimes spelled React.js or ReactJS) is one of the most popular JavaScript libraries to develop powerful, interactive web applications. You’ll learn how to start with React and build up to dynamic user interfaces. You’ll work with React specific concepts like: JSX, components, state, props, hooks, and more. Take this course to gain an edge as a front-end or full-stack web developer.

Skills you'll gain

  • Understand key React concepts

  • Use JSX, props, state, and more

  • Work in React’s modular style

Syllabus

18 lessons • 7 projects • 7 quizzes
The platform

Hands-on learning

Don’t just watch or read about someone else coding — write your own code live in our online, interactive platform. You’ll even get AI-driven recommendations on what you need to review to help keep you on track.
Animated demonstration of running code in Codecademy's learning environment
Meet the creator of the course
Jiwon Shin
Senior Curriculum Developer at Codecademy
Jiwon is a Senior Curriculum Developer at Codecademy. She has created courses across the web development catalog on languages such as JavaScript, PHP, and CSS, frameworks like React and Node.js, and the Front-End Engineer Career Path. She also created courses on p5.js, build tools, and Intro to UI and UX Design.

Reviews from learners

  • The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.
    Chris
    Codecademy Learner @ USA
  • I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.
    Rodrigo
    Codecademy Learner @ UK
  • Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.
    John-Andrew
    Codecademy Learner @ USA

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Practice projects

Guided projects that help you solidify the skills and concepts you're learning.

Assessments

Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.

Certificate of completion

Earn a document to prove you've completed a course or path that you can share with your network.

Join over 50 million learners and start Learn React today!

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Frequently asked questions about React

  • React is a JavaScript library used to build websites and web applications. Facebook created it in 2013, and today, it’s one of the most popular web development libraries in the world, used by companies like Meta, Netflix, Uber, Yahoo, and more.