Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36 Edg/94.0.992.50
Chrome 94
Windows
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 6043287.0 Ops/sec
spread operator 34774468.0 Ops/sec
Array.prototype.flat 799616.7 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat