Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.36
Chrome 88
Mac OS X 11.2.0
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 3037874.0 Ops/sec
spread operator 5325655.0 Ops/sec
Push 3145341.5 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.concat

  • spread operator

  • copy on push

  • directly push