Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:83.0) Gecko/20100101 Firefox/83.0
Firefox 83
Mac OS X 10.15
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 7956116.5 Ops/sec
spread operator 5776287.0 Ops/sec
Array.prototype.flat 7683122.5 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat