Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0
Firefox 91
Windows
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 8219099.0 Ops/sec
spread operator 9657410.0 Ops/sec
Array.prototype.flat 8455119.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat