Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:97.0) Gecko/20100101 Firefox/97.0
Firefox 97
Windows
Desktop
2 years ago
Test name Executions per second
Array.isArray 419476544.0 Ops/sec
instanceof 81382560.0 Ops/sec
[].constructor 147730144.0 Ops/sec
Object.prototype.toString 28187640.0 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString