Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.36
Chrome 101
Windows
Desktop
2 years ago
Test name Executions per second
Array.prototype.concat 9743609.0 Ops/sec
spread operator 46050740.0 Ops/sec
Array.prototype.flat 1183615.4 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat