Just for fun I tried it on jsperf and the first one is way faster. Never thought that. But it's probably just a micro optimization.
jsperf.com/empty-array-conact-vs-p...
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Just for fun I tried it on jsperf and the first one is way faster. Never thought that. But it's probably just a micro optimization.
jsperf.com/empty-array-conact-vs-p...