Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
Firefox 100
Windows
Desktop
2 years ago
Test name Executions per second
Array.isArray 94679224.0 Ops/sec
instanceof 22415086.0 Ops/sec
[].constructor 37053896.0 Ops/sec
Object.prototype.toString 8756303.0 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString


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