Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36 Edg/95.0.1020.40
Chrome 95
Windows
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 4856750.5 Ops/sec
spread operator 19974310.0 Ops/sec
Array.prototype.flat 701098.2 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat