Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.9999.0 Safari/537.36
Chrome 102
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Array.concat 1169230.6 Ops/sec
Array.prototype.concat.apply 1162716.2 Ops/sec
Array.prototype.concat.apply short form 1300526.8 Ops/sec
Array.prototype.concat.apply short form without new empty array instance in apply 1372013.2 Ops/sec
Array.prototype.concat.apply short form without new empty array at all 1296754.6 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