I actually don't think you are wrong, but I'm not backing that up with any actual data.
I happened to know it because of how the hyperHTML micro-library works; the author went into great detail about it and a ton of other topics. But my gut would say that the average js dev doesn't know about it.
But then... it's useful for creating component frameworks which... most js devs use. Which doesn't mean they know how they work under the hood. But... a lot of devs I've met specifically choose a framework because of how it works under the hood.
... so... I really have no idea how many people know this. I'm still betting it's less than average.
I happened to know it because of how the hyperHTML micro-library works; the author went into great detail about it and a ton of other topics. But my gut would say that the average js dev doesn't know about it.
But then... it's useful for creating component frameworks which... most js devs use. Which doesn't mean they know how they work under the hood. But... a lot of devs I've met specifically choose a framework because of how it works under the hood.
... so... I really have no idea how many people know this. I'm still betting it's less than average.