Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36
Chrome 97
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Array.concat 1333202.2 Ops/sec
Array.prototype.concat.apply 1301557.5 Ops/sec
Array.prototype.concat.apply short form 1396059.2 Ops/sec
Array.prototype.concat.apply short form without new empty array instance in apply 1505953.2 Ops/sec
Array.prototype.concat.apply short form without new empty array at all 1421421.4 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