This is very interesting, but ran into some weird problems. Was using FireFox nightly, until it decided that ALL MY RAM ARE BELONG TO US... ( two 8G processes ) so switched to Chrome, and could not log into a hotmail address to confirm. So... on to Edge... which confirmed the email, got me back to the video... and it had saved both a bug, and I cannot edit the bug. The cursor has both delete and placement problems. Its a good idea, but supporting multiple browsers... and being beat up my both Microsoft and Mozilla I will start again tomorrow with just Chrome...

I have installed VS Code, and now am going to get node.js running, so I can try all the examples.

I am an educator, but for Young STEM. This may be like the final step for some kids... I want to use it to learn Javascript so I can teach it.