Precisely - and by addressing the symptom rather than the cause i.e. by switching from a 'for loop' to forEach - you would actually be making the performance of the optimal (bug fixed) system worse than before.
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It's still a micro optimization. The for loop can loop through 400 empty places in an array in what, 5ms? It's extremely fast.
Precisely - and by addressing the symptom rather than the cause i.e. by switching from a 'for loop' to
forEach- you would actually be making the performance of the optimal (bug fixed) system worse than before.