This is a ping pong score keeper made with AngularJS, an MVVM architecture.
Play with it live here: http://jennyknuth.github.io/ping-pong/
This was quick and easy to make with one div, one controller, and a few logical directives.
Similar in style and design philosophy to my minimalist tic-tac-toe game using vanilla JavaScript found here: https://github.com/jennyknuth/tic-tac-toe