Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.36
Chrome 80
Mac OS X 10.15.3
Desktop
4 years ago
Test name Executions per second
Array.prototype.slice [direct call] 7221074.0 Ops/sec
Array.prototype.slice [saved function call] 3197945.8 Ops/sec
Array.prototype.concat [direct call] 3575291.2 Ops/sec
Array.prototype.concat [saved function call] 2432144.5 Ops/sec
Spread operator 6870012.5 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