alt Hacker NewsP5.js is pretty great.
I used it create art, basically taking animal photos and using the dna sequence from that animal to recreate the photo using the 4 letters. (I did four passes using different size letters and layered in Gimp). People seem to like them, and they got into an art:science show.
Coding train has a lot of videos on using p5.js Some of them more sophisticated than the childish iconography appears. It’s pretty fun.