Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Chrome 70
Mac OS X 10.14.0
Desktop
6 years ago
Test name Executions per second
Array.prototype.concat 3070516.5 Ops/sec
spread operator 5141329.5 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator