Run details:
Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0
Firefox 103
Windows 8.1
Desktop
2 years ago
Test name Executions per second
Array.isArray 204506912.0 Ops/sec
instanceof 42864488.0 Ops/sec
[].constructor 62586028.0 Ops/sec
Object.prototype.toString 41823032.0 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString