Run details:
Mozilla/5.0 (X11; CrOS x86_64 13020.87.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.119 Safari/537.36
Chrome 83
Chrome OS 13020.87.0
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 4795347.0 Ops/sec
spread operator 18841676.0 Ops/sec
Array.prototype.flat 644479.8 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat