Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36
Chrome 85
Windows
Desktop
4 years ago
Test name Executions per second
Array.prototype.unshift 23175.0 Ops/sec
spread operator 117.2 Ops/sec
Array.prototype.concat 534.5 Ops/sec
Array.prototype.splice 1381.9 Ops/sec
Script Preparation code:
Tests:
  • Array.prototype.unshift

  • spread operator

  • Array.prototype.concat

  • Array.prototype.splice