Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
Chrome 66
Mac OS X 10.13.3
Desktop
6 years ago
Test name Executions per second
Spread operator 3114144.0 Ops/sec
Concat 6149738.5 Ops/sec
Tests:
  • Spread operator

  • Concat