React CourseWhat's new
What's new in the course
- Anonymous visitor statisticsTo learn which lessons are read most, we now count visits with Cloudflare Web Analytics – no cookies and no way to identify you. Details are in the privacy policy.
- Version 1.0.0 beta and the English versionThe course now has its first public beta, version 1.0.0. All lessons, demos, challenges and cheat sheets are available in English too – switch the language in the top-left corner. Found a mistake or have an idea? Use the feedback form at the end of any lesson.
- Review with different questions every timeReview now includes generated questions with new values for the JavaScript lessons, and the answers are shuffled every time.
- Quiz reviewQuizzes from the lessons come back after 1, 3, 7, 14 and 30 days so you really remember them.
- Placement test: where to start?Ten questions recommend the lesson to start with and show topics to revisit.
- Progress, streaks and badgesContinue where you left off, track lessons read, keep your streak and collect badges.
- Challenges in the browser and warm-upsEvery challenge has a code editor on the page and every lesson an easy warm-up to begin with.
- Chapter 0: JavaScriptTen lessons of the JavaScript React needs – from variables to references and async code.