Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.75 Safari/537.36
Chrome 77
Linux
Desktop
5 years ago
Test name Executions per second
Array.prototype.concat 3549534.2 Ops/sec
spread operator 12111640.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator