That might be an improvement, but you probably wouldn't want to use Array.map, w... | Hacker News

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mistercow on Oct 8, 2012 | parent | context | favorite | on: Faster than C? Parsing binary data in JavaScript.

That might be an improvement, but you probably wouldn't want to use Array.map, which generally has pretty terrible performance. See http://jsperf.com/map-vs-native-for-loop/5

rb12345 on Oct 8, 2012 [–]

Yes; the only reason for using Array.map() here is conciseness and similarity to the original code.

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