Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36
Chrome 90
Linux
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 6878391.0 Ops/sec
spread operator 28300692.0 Ops/sec
Array.prototype.flat 988209.1 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat