engine VS caniuse

It's not, but I appreciate you sharing this anyway – thank you!

I was referring mostly to GSS: https://gss.github.io/

I think it was an interesting idea that unfortunately didn't really work out. This was before both flex and grid layouts were a thing, so anything new in this space was exciting really. It's a much better css layout world today than it was 8-10 years ago, and particularly grid layout is a very welcome change, but I can't help but think some great ideas have been left by the wayside. Maybe for good reasons, but still.

I'd love to see something like constraint layouts in pure CSS. It's an incredibly powerful tool when building user interfaces.

I was really excited to see GSS (http://gss.github.io), however at the time it was far too slow to be usable in real projects.

It's been a while since I messed with it. IIRC, the way it satisfies the constraints tends to support some really complex adaptive sizing behaviors once you learn to anticipate it. But I never ended up using it seriously, because flex is usually (and possibly always) good enough, and I don't think the web port https://github.com/gss/engine ever saw much adoption. Not completely sure they offered a way of talking about lists of child elements.

Safari is the only browser that doesn't support extending HTML element

https://caniuse.com/?search=Custom%20Elements

You forgot to mention (Web)Workers. This is explicit creation, management, and communication with additional threads within JavaScript. What's more, they've been around in JavaScript longer than the V8 engine has even existed!

https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers...

https://caniuse.com/?search=webworkers

Do you happen to know where can I check out the cutoff version for each browser? https://caniuse.com/?search=wasm doesn't have it (or other things like WasmGC for that matter)

(https://caniuse.com/) A handy tool for checking the browser compatibility of HTML, CSS, and JavaScript features. Can I Use provides up-to-date support tables for various web technologies across different browsers.

Caniuse

Can I Use (https://caniuse.com/)

> Is it though?

In my experience it's the buggiest browser out of the big three, and is often missing basic features like e.g.:

https://caniuse.com/?search=opus

Supported in Firefox for *12 years* now, in Chrome for 10, still no support in Safari.

They only "support" Opus audio in their special snowflake '.caf' container, which is super buggy and the last time I checked no open source program could even generate Opus '.caf' files that could be played by Safari on all Apple platforms. I ended up writing a custom converter which takes a standard '.opus' file and remuxes it on-the-fly (I only store '.opus' files on my server) into Safari-compatible '.caf' files, taking special care to massage it so that it avoids all of their demuxer/decoder bugs. You shouldn't have to do this to have cross-browser high quality audio!

Well I'll be! In my mind I had this clear picture of Firefox implementing it.

It correct, it was only Chrome: https://caniuse.com/?search=html%20import