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JavaScript is typically implemented with a JIT compiler, just like Java or C#. Python, Ruby, and Lua use virtual machines (like Java used to be).



That's why I've always maintained that Java is a scripting language ;)

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typically? JIT for javascript is only a semi-recent innovation. I'd say most javascript runtimes pre-2009 didn't have a JIT.

> (like Java used to be)

So Java doesn't run on a virtual machine anymore?

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