|DEMO||Link to demo|
Unfortunately, it doesn’t look quite right anymore (Dec 2012), since Khan Academy is undergoing a massive restructuring of content, in which gargantuan playlists (40+ videos) are being broken down into smaller, more atomic chunks called “tutorials”. Hence, there are way more leaf nodes than the circular graph visualization can comfortably fit.
You can see it in action here.
Things I learned through this project:
- Khan Academy API
- AJAX requests