Array(3) doesn’t create [undefined, undefined, undefined, ]; it creates [/* hole */, /* hole */, /* hole */, ]. The holes don’t set any property on the array whatsoever, so they are skipped when iterating. How this makes sense, I can’t tell you.
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Array(3)
doesn’t create[undefined, undefined, undefined, ]
; it creates[/* hole */, /* hole */, /* hole */, ]
. The holes don’t set any property on the array whatsoever, so they are skipped when iterating. How this makes sense, I can’t tell you.Time is a flat circle
Yet the array contains exactly three nothings.
It’s like a zen koan.