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In this case, it didn't. That's just the reference-frame of the person who you replied to. Map, reduce, filter, etc existed long before JavaScript. I assume tha
by ragnese 6y ago
In this case, it didn't. That's just the reference-frame of the person who you replied to. Map, reduce, filter, etc existed long before JavaScript. I assume that's what they're talking about.
- kevsim 6y agoExactly what I meant. I never claimed JS invented these things, merely that I use them a lot.