Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:81.0) Gecko/20100101 Firefox/81.0
Firefox 81
Mac OS X 10.13
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 12979221.0 Ops/sec
spread operator 12338223.0 Ops/sec
Array.prototype.flat 11748069.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat