This offers some perspective:
Posted: January 11, 2013
flotr2: A Canvas Graphing Library
flotr2. This is an impressive piece of work. I’ve always been a sucker for nice looking charts and graphs, and flotr2 helps you build your own in canvas. I’m definitely keeping this bookmarked for a project or two I’ve got in mind.
Posted: February 03, 2012
Accelerated DOM Scripting Book Review
Posted: October 15, 2007