Although this doesn't quite answer your question, I had a lot of fun playing wit...

hithereagain on Nov 7, 2017 | parent | context | favorite | on: Untangling the WebRTC Flow

Although this doesn't quite answer your question, I had a lot of fun playing with TogetherJS a few years ago; it made taking advantage of webrtc for a collaborative web game/tool pretty straightforward.

https://togetherjs.com/