Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15
Safari 13
Mac OS X 10.14.6
Desktop
3 years ago
Test name Executions per second
Array.isArray 10510826.0 Ops/sec
instanceof 4321317.0 Ops/sec
[].constructor 4390573.5 Ops/sec
Object.prototype.toString 5321162.0 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString