Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0
Firefox 89
Windows
Desktop
3 years ago
Test name Executions per second
Array.isArray 82873656.0 Ops/sec
instanceof 58572452.0 Ops/sec
[].constructor 92085840.0 Ops/sec
Object.prototype.toString 21311000.0 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString


;