Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0
Firefox 81
Windows
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 5915577.5 Ops/sec
spread operator 4916945.0 Ops/sec
Array.prototype.flat 5624585.5 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat