Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36
Chrome 87
Linux
Desktop
2 years ago
Test name Executions per second
Array.isArray 17942038.0 Ops/sec
instanceof 4821885.0 Ops/sec
[].constructor 5187908.5 Ops/sec
Object.prototype.toString 7872070.5 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString