Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36
Chrome 81
Mac OS X 10.14.6
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 6494781.5 Ops/sec
spread operator 21639738.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator