Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36
Chrome 84
Mac OS X 10.14.5
Desktop
4 years ago
Test name Executions per second
Array.isArray 14223295.0 Ops/sec
instanceof 4512884.5 Ops/sec
[].constructor 4745884.0 Ops/sec
Object.prototype.toString 6942367.5 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString