Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0
Firefox 91
Windows
Desktop
3 years ago
Test name Executions per second
Array.concat 46848.1 Ops/sec
Array.prototype.concat.apply 48155.1 Ops/sec
Array.prototype.concat.apply short form 47322.9 Ops/sec
Array.prototype.concat.apply short form without new empty array instance in apply 48142.0 Ops/sec
Array.prototype.concat.apply short form without new empty array at all 48857.9 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