Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0
Firefox 81
Windows
Desktop
4 years ago
Test name Executions per second
Array.isArray 285912608.0 Ops/sec
instanceof 122966352.0 Ops/sec
[].constructor 126214104.0 Ops/sec
Object.prototype.toString 174319776.0 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString