Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36
Chrome 76
Linux
Desktop
5 years ago
Test name Executions per second
spread operator 4274015.5 Ops/sec
concat into empty array 2556183.0 Ops/sec
Script Preparation code:
Tests:
  • spread operator

  • concat into empty array