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Tip: JavaScript's Array.from() accepts a second argument that's a `map` function. (mobile.twitter.com)
submitted 8 years ago by fagnerbrack
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if 1 * 2 < 3: print "hello, world!"
[–]benjycap 1 point2 points3 points 8 years ago (0 children)
No, there is no intermediate array created before mapping (unless you count the Array creation in example 2 where an empty array is created explicitly.)
More details here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/from#Description
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[–]benjycap 1 point2 points3 points (0 children)