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

Latest run results:
Run details: (Test run date: yesterday)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
Array.isArray 55832448.0 Ops/sec
instanceof 46999148.0 Ops/sec
[].constructor 65410512.0 Ops/sec
Object.prototype.toString 30699568.0 Ops/sec