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by saagarjha 2229 days ago
People used to think JavaScript was too dynamic to optimize, too. Then people poured time and effort into it and now good JavaScript virtual machines can hold their own against competing implementations for other languages.
2 comments

...While still not being multicore. I feel that those efforts you mention don't go far enough.

And I am pretty sure backwards compatibility will continue dragging JS down for quite a long time still as well.

Surely they are, via workers and worklets.
It's interesting because Lars Bak was optimizing Smalltalk and Self VMs in the 90s.