Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Chrome 120
Windows
Desktop
11 months ago
Test name Executions per second
Array.prototype.concat 13599700.0 Ops/sec
spread operator 75124744.0 Ops/sec
Array.prototype.flat 3008261.8 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat