Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:81.0) Gecko/20100101 Firefox/81.0
Firefox 81
Mac OS X 10.14
Desktop
4 years ago
Test name Executions per second
Array.prototype.slice [direct call] 4333405.0 Ops/sec
Array.prototype.slice [saved function call] 3435927.5 Ops/sec
Array.prototype.concat [direct call] 3303569.2 Ops/sec
Array.prototype.concat [saved function call] 2131310.2 Ops/sec
Spread operator 3454584.5 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