Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36
Chrome 80
Mac OS X 10.15.3
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 879900.4 Ops/sec
spread operator 192694.7 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator