I haven't had a chance to try React.js koans yet, but recently completed a tutorial in the same vein, a "workershopper", from nodeschool.io: https://github.com/

I haven't had a chance to try React.js koans yet, but recently completed a tutorial in the same vein, a "workershopper", from nodeschool.io: https://github.com/tako-black/learnyoureact https://github.com/tako-black/learnyoureact. As a React.js noob, I found it to be a helpful introduction.