Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:86.0) Gecko/20100101 Firefox/86.0
Firefox 86
Mac OS X 10.16
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 8518749.0 Ops/sec
spread operator 6342554.0 Ops/sec
Array.prototype.flat 8511782.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat