I spent 2012 working as a Senior Front End Developer at Obama for America. We won.
I got to make all sorts of cool stuff, including The Life of Julia, the Obamacare tool and the interactive jobs chart.
barackobama.com »Need to calculate some moon phases? I've got yer JavaScript right here!
A grid visualization of a user's Rdio Heavy Rotation. (See it in the wild on /about.)
A JavaScript utility for determining the time of day at a user's location.
Nearest-neighbor resizing using the HTML5 Canvas API.
Have you met Manik Rathee? You should. I made this for him: manikfoundasecret.tumblr.com
An unfinished adaptation of Pac-man, done entirely in Canvas.