Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36
Chrome 94
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
Array.isArray 16029342.0 Ops/sec
instanceof 5384300.0 Ops/sec
[].constructor 5533147.5 Ops/sec
Object.prototype.toString 7123601.5 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString