Below are some projects:

This platformer features a randomly generated level(reload page for a new one), dash, multiple enemies and a wall jump. Everything in the project was built from scratch (collision, input, sprites, physics, etc...)
Controls:

A dumb game where you run from a turtle. Every time you shoot it with a ninja star it gets faster. There is also a useless pill
Controls:

A very early iteration of what became camvas. Everything was done in divs(just because).
Controls:

A simple room where other people can join and move around. Uses node, express and socket.io