Array.prototype.concat vs spread vs push 08072019

4 months ago
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Test name Executions per second
Array.prototype.concat 2970855.0 Ops/sec
spread operator 25736020.0 Ops/sec
Push 34842310.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Push

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