Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Chrome 119
Windows
Desktop
one year ago
Test name Executions per second
Array.prototype.concat 17390924.0 Ops/sec
spread operator 75703576.0 Ops/sec
Array.prototype.flat 4023327.8 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat