Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.1 Safari/605.1.15
Safari 14
Mac OS X 10.15.6
Desktop
4 years ago
Test name Executions per second
Array.isArray 9441820.0 Ops/sec
instanceof 3791492.2 Ops/sec
[].constructor 3761278.5 Ops/sec
Object.prototype.toString 7718196.5 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString