> JS id as unoptimizable as can be, thanks to its hyper dynamic nature.
And yet it has been optimized.
> Sorry, not even remotely close. I want to see some serious evidence.
https://benchmarksgame-team.pages.debian.net/benchmarksgame/...
https://benchmarksgame-team.pages.debian.net/benchmarksgame/...
JS is ~30% slower than Java or Go.
Go is a lot closer to JS perf than to C++ perf.
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For real-world applications....compare IntelliJ, Eclipse, Visual Studio, or Sublime against VSCode.