You're in for a treat then! Bartosz has a bunch of other insanely well done explainers on his website, with easily inspectable JavaScript too. Some of my favourites are the watch, the engine and the GPS ones, though they're all fantastic.
> easily inspectable JavaScript
More amazingly, he writes it all by hand (I asked).
Indeed, very impressive!
Seems like we were given an early Christmas present haha, he just dropped a new post!
Thank you for sharing - hope you have a great day.