Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
Chrome 101
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Array.prototype.concat 16681464.0 Ops/sec
spread operator 61762864.0 Ops/sec
Array.prototype.flat 2336256.5 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat