Here's one overview that's a pretty easy overview.

https://dev.to/feezyhendrix/worker-threads-in-node-js-2ikh

You can read more about atomics and shared array buffers in JS on MDN

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...

This is sort of what I mean though. The SharedArrayBuffer seems very limited. It's fine if you are sharing binary content for processing, or some numbers. But I can't see how you could easily send a standard JS object through that?