Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36
Chrome 96
Windows
Desktop
2 years ago
Test name Executions per second
Array.concat 975020.9 Ops/sec
Array.prototype.concat.apply 775001.4 Ops/sec
Array.prototype.concat.apply short form 810646.8 Ops/sec
Array.prototype.concat.apply short form without new empty array instance in apply 828608.6 Ops/sec
Array.prototype.concat.apply short form without new empty array at all 774136.1 Ops/sec
Script Preparation code:
Tests:
  • Array.concat

  • Array.prototype.concat.apply

  • Array.prototype.concat.apply short form

  • Array.prototype.concat.apply short form without new empty array instance in apply

  • Array.prototype.concat.apply short form without new empty array at all