Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36
Chrome 80
Mac OS X 10.14.6
Desktop
4 years ago
Test name Executions per second
Array.isArray 11057576.0 Ops/sec
instanceof 2837065.8 Ops/sec
[].constructor 3275201.2 Ops/sec
Object.prototype.toString 4404425.5 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString