Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.122 Safari/537.36
Chrome 81
Mac OS X 10.15.5
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 3996117.2 Ops/sec
spread operator 8951893.0 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator