Array concat vs spread operator vs push SAM

Compare the new ES6 spread operator with the traditional concat() method and push
4 years ago
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36
Test name Executions per second
Array.prototype.concat 3902981.0 Ops/sec
spread operator 6987311.0 Ops/sec
Push 8726204.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Push

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