Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:89.0) Gecko/20100101 Firefox/89.0
Firefox 89
Mac OS X 10.15
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 3579080.8 Ops/sec
spread operator 3140978.2 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator