That doesn't really do much for those of us with backgrounds that do not include Javascript / web development.

Such as embedded processors, just to use an example that might be exactly the type of people who would find this challenge extra interesting.

Full disclosure: I did several of these, but the browser issue is probably what kept me from doing more. It did not run in my (admittedly outdated) browser of choice, so I had to do some Chrome wrangling, which was the opposite of fun.