Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36 Edg/89.0.774.57
Chrome 89
Windows
Desktop
3 years ago
Test name Executions per second
Array.prototype.slice [direct call] 5077786.5 Ops/sec
Array.prototype.slice [saved function call] 2716150.2 Ops/sec
Array.prototype.concat [direct call] 2953014.8 Ops/sec
Array.prototype.concat [saved function call] 1871261.6 Ops/sec
Spread operator 4774585.0 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