JavaScript Koans
JavaScript Koans — ported from https://github.com/mrdavidlaing/javascript-koans for Libre.academy. Each exercise lives in its own lesson; fix the starter to make the tests pass.
- JavaScript
- 8 lessons
- ~2 hours
- Free
- by Libre
Learn JavaScript for free on Libre Academy with the JavaScript Koans course: 8 interactive lessons you complete by writing real code in a built-in editor, graded instantly by hidden tests. No paywall, no sign-up — it runs in your browser and the free desktop app.
What you get
- Hands-on lessons with a real editor and instant, test-graded feedback.
- Free and open source — no account required to start.
- Runs in your browser, and offline in the free desktop app.
- JavaScript runs in your browser.
What's inside
- Koans