Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15
Safari 13
Mac OS X 10.15.2
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 2449841.5 Ops/sec
spread operator 127517.2 Ops/sec
array.push 101509.5 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator

  • array.push