Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:59.0) Gecko/20100101 Firefox/59.0
Firefox 59
Mac OS X 10.13
Other
6 years ago
Test name Executions per second
Array.prototype.concat 92472.9 Ops/sec
spread operator 76995.5 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator