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Run results for: Array.isArray vs Object.prototype.toString vs [].constructor vs instanceof

Array.isArray vs Object.prototype.toString vs [].constructor vs instanceof

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122
Mac OS X 10.15.7
Desktop
8 months ago
Test name Executions per second
Array.isArray 7342638.5 Ops/sec
instanceof 6896727.5 Ops/sec
[].constructor 7410305.0 Ops/sec
Object.prototype.toString 6177485.0 Ops/sec
Tests:

  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString

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