Cocoa was influenced by Java's vision of in-browser computing. Apple distributed a play-only version of the interpreter. I assembled a list of my better worlds and distributed them online. page 
A cellular simulation, like the Game of Life, only with typed marks that respond to type-specific rules. Recalled in conversation. mastodon
Apple research said, "Cocoa is Java for kids of all ages." What would I write in Javascript if Cocoa was all I knew?
Alan Kay liked to demo Squeak by drawing a road and teaching a car to drive on it. Maybe we can increment our way to something like that riffing on an elevator. wiki
pages/cocoaworlds-remembered
00 — We'll throw some box drawing characters on the screen and see if it is something we can work with. gist
http://ward.dojo.fed.wiki/assets/pages/cocoaworlds-remembered/00-field.html HEIGHT 300