Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36 Edg/87.0.664.41
Chrome 87
Windows
Desktop
4 years ago
Test name Executions per second
Array.prototype.slice [direct call] 1928976.4 Ops/sec
Array.prototype.slice [saved function call] 975886.4 Ops/sec
Array.prototype.concat [direct call] 1163678.8 Ops/sec
Array.prototype.concat [saved function call] 706708.4 Ops/sec
Spread operator 1392730.0 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