Small CodePen experiments and two larger demos (Canvas and Three.js) below. Everything is a live embed so you can fork or read the source on CodePen.
Details view (xMXNyy)
Same pen as the default editor/details layout on CodePen instead of the full preview.
Open on CodePenJxrqQx
Small UI or animation experiment from the same era as the rest of this collection.
Open on CodePenHTML5 Canvas blackboard
Interactive blackboard: draw, load images with the File API, save PNG, and clear the board.
Open on CodePenThree.js wave
Grid of cubes with simple wave motion, mouse and keyboard camera, and optional gamepad input.
Open on CodePen