I've been a techy for over 20 years and have amazing holes in my knowledge. I frequently end up on beginner corners when I'm setting things up!
I like coding, and especially like graphics, so being able to combine the two is awesome!
They mostly work best in Chrome because of its Canvas speed...
Here's some of the more interesting ones:
Pumping blood cells: https://codepen.io/SarahC/pen/abOZpRp
Pendelums 3D: https://codepen.io/SarahC/pen/pYdXZM
Flaming logos: https://codepen.io/SarahC/pen/yGPQPJ