Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36
Chrome 80
Windows
Desktop
4 years ago
Test name Executions per second
Array.prototype.slice [direct call] 2503268.0 Ops/sec
Array.prototype.slice [saved function call] 1351881.6 Ops/sec
Array.prototype.concat [direct call] 1441069.2 Ops/sec
Array.prototype.concat [saved function call] 961641.9 Ops/sec
Spread operator 2593960.2 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.slice [direct call]

  • Array.prototype.slice [saved function call]

  • Array.prototype.concat [direct call]

  • Array.prototype.concat [saved function call]

  • Spread operator