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The Illustrated Book of RxJS

An illustrated book, a web application and visual quizzes. Learn, compare and memorize RxJS operators visually!

🎈 $40 off during early access 🎈

Get the book today, at its lowest price. 300+ pages are already available. And receive all future chapters for free.  Join my newsletter to get some previews and know when new content is out.

  • All basic operators
  • All filtering / taking / skipping operators
  • All merging / combining operators
  • All finding / conditional operators (soon)
  • All reducing / mathematical (soon)
  • All rate-limiting / buffering operators (soon)

💻 The web application

🤩 Learn and compare RxJS operators visually

✨ Watch principles and edge cases, step by step

🧠 Train your muscle memory with spaced repetition

💯 Challenge yourself with visual quizzes

📕 The book versions

  • PDF version, optimized for mobile and desktop reading
  • ePub version, optimized for Apple's Book app

Here is the table of content so far:

New chapters are coming! Get your copy at its lowest price, while it's in early access.

About the author

Cédric Soulas is the creator of Launchpad for RxJS and reactive.how. He publishes programming visualizations on Twitter and on his newsletter.


Is there a team license?

Yes, send me an email at help@cedricsoulas.com and DM me on Twitter. I will send you a link with a team discount.

What is your refund policy?

If you are not 100% satisfied with this book, reply to the confirmation email within 30 days. You'll get a full refund, no questions asked.

Can I get an invoice?

Yes, you can generate an invoice from the confirmation email.

Does the app support my OS?

Yes, it's a web application. Open index.html with any modern web browser.

Can I watch the book on mobile?

Yes, and it looks great on it! Browse the download page from your mobile (find the link in the confirmation email). Then open the PDF or the ePub version with your favorite reader app. Alternatively, log in the Gumroad Library app for mobile.

Any other questions?

Send me an email at help@cedricsoulas.com and DM me on Twitter.

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  • Application19,4 Mo
  • ePub326 pages
  • PDF326 pages


The Illustrated Book of RxJS

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