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by senfiaj
429 days ago
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> My own hypothesis: any serious JS engine is going to recognise the [a, b] = [b, a] This. As the author of this blog I actually run a benchmark, the loop body was only doing swap, I remember the penalty was around ~2%. But yeah, if it's a critical path and you care about every millisecond, then sure, you should optimize for speed, not for code ergonomics. |
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