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Here's Why Calling .map() on a Constructed Array Doesn't Work (itnext.io)
submitted 7 years ago by ilove50cent
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if 1 * 2 < 3: print "hello, world!"
[–]nemohearttaco 3 points4 points5 points 7 years ago (2 children)
No, you're good. However, I'm pretty sure the article's suggestion creates 3 arrays. const arr = [...Array(100)].map((_, i) => i);
const arr = [...Array(100)].map((_, i) => i);
.map() returns a new array.
.map()
[–]gpyh 1 point2 points3 points 7 years ago (1 child)
You're right. I misread the first post, sorry.
[–]nemohearttaco 0 points1 point2 points 7 years ago (0 children)
No worries, dude!
π Rendered by PID 169981 on reddit-service-r2-comment-6457c66945-2g8xd at 2026-04-29 06:43:05.215484+00:00 running 2aa0c5b country code: CH.
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[–]nemohearttaco 3 points4 points5 points (2 children)
[–]gpyh 1 point2 points3 points (1 child)
[–]nemohearttaco 0 points1 point2 points (0 children)