D3 in Depth(d3indepth.com)
350 points by lobo_tuerto | 78 comments
D3 in Depth is a free online guide teaching D3.js versions 6 and 7, covering selections, data joins, scales, shapes, axes, hierarchies and more.
d3indepth.com on Hacker News
1 story on the front page, newest first. Scroll down to watch the site change over time.