Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36
Chrome 80
Mac OS X 10.13.6
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 4244293.0 Ops/sec
spread operator 34345688.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator