Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.193 Safari/537.36
Chrome 86
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
Array.prototype.slice [direct call] 3655693.0 Ops/sec
Array.prototype.slice [saved function call] 1975007.8 Ops/sec
Array.prototype.concat [direct call] 2275406.2 Ops/sec
Array.prototype.concat [saved function call] 1442210.0 Ops/sec
Spread operator 3582039.8 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