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by dmitriid
1282 days ago
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Not necessarily. How old and how backward compatible are you thinking? - Symbol is 2014-2015 - Map is 2014-2015 - Weak* data structures and their methods span 2014-2021 - WebGL 2.0 is 2017-2021 - Custom Elements are 2017-2021 - Chrome-only non-standards (hardware APIs and a bunch of others) are pumped out at a rate of up to 400 per year - WebAssembly MVP is 2017-2018 And so on. That's off the top of my head. None of them are backwards compatible. Some of them cannot be polyfilled. |
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