Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 15_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.2 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.2.1
Mobile
2 years ago
Test name Executions per second
Array.prototype.concat 19318514.0 Ops/sec
spread operator 398808736.0 Ops/sec
Array.prototype.flat 6698220.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat