Javascript vs. Ruby

Being a really baby developer and trying to learn Ruby, I come to this with odd and perhaps naive questions and surprise.

This overview and survey of Javascript vs. Ruby is fascinating.

Ruby would be better for teaching children how to program, is good for prototyping, is flexible, expressive, good for short iterations. There is lots of open-source code and it has a coherent design. More people find that Javascript is more efficient, but has annoying syntax, is hard to replace with other languages, but burns out developers who use if for a few years.

But if this overview is right, and I might not understand it entirely, Javascript is way, way faster than Ruby. But it terms of memory use, Ruby is better.

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