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by amgin3 3170 days ago
cool, can't wait to use these in 10 years when browser compatabilty catches up.
3 comments

All modern browsers (no that does not include IE11) have full ES2016 support in their stable version.

In fact, aside from Edge which lags a bit behind (and FF 52 ESR) all of them seem to have full ES2017 support already in their latest stable.

No. Firefox and Chrome don't have proper tail call optimizations.
up to 12% of internet users still use IE11, and even more if you count lower versions. It will take them about a decade to upgrade to a "modern browser". There are still large companies who want browser compatibility down to IE 8.
That's not a matter of "browser compatibility" which is what GP complained about. The browsers are compatible, if you decide not to use them, you can hardly fault the browsers.
Use a JS compiler
I just tested both of these features in the latest Firefox and Chrome they both work already.