Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36
Chrome 97
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Array.prototype.concat 16813082.0 Ops/sec
spread operator 61275032.0 Ops/sec
Array.prototype.flat 2500963.2 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat