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Javascript Challenges

Learn JavaScript for free by writing real code, graded by hidden tests.

  • JavaScript
  • 120 lessons
  • ~24 hours
  • Free

Learn JavaScript for free on Libre Academy with the Javascript Challenges challenge pack: 120 interactive lessons you complete by writing real code in a built-in editor, graded instantly by hidden tests. No paywall, no sign-up. It's part of the free, open-source desktop app for macOS, Windows and Linux.

What you get

  • Hands-on lessons with a real editor and instant, test-graded feedback.
  • Free and open source, with no account required to start.
  • Works offline in the free desktop app for macOS, Windows and Linux.
  • JavaScript runs instantly in the app.

Download to start Javascript Challenges →   More free JavaScript courses

Helpful reading

Why passive video doesn't make you a programmer  ·  Bring Your Own Book: turning any PDF into a course