Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    Array.isArray
    instanceof
    [].constructor
    Object.prototype.toString

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 2 days ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 OPR/108.0.0.0
Opera 108 on Windows
View result in a separate tab
Test name Executions per second
Array.isArray 37466470.0 Ops/sec
instanceof 13696560.0 Ops/sec
[].constructor 14203220.0 Ops/sec
Object.prototype.toString 17649040.0 Ops/sec