Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36
Chrome 67
Mac OS X 10.13.5
Desktop
5 years ago
Test name Executions per second
Array.prototype.concat 20655250.0 Ops/sec
spread operator 5898549.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator