Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Chrome 92
Linux
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 4643295.5 Ops/sec
spread operator 21411888.0 Ops/sec
Array.prototype.flat 616623.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat