MeasureThat.net

Run results for: constructor comparison vs. instanceof vs Array.isArray 2

Compares the performance of comparing a constructor strictly to a function object, using the instanceof operator and calling Array.isArray

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.0
Firefox 118
Windows
Desktop
one year ago
Test name Executions per second
constructor comparison 180542864.0 Ops/sec
instanceof operator 33833816.0 Ops/sec
Array.isArray call 29735100.0 Ops/sec
Script Preparation code:
Tests:

  • constructor comparison

  • instanceof operator

  • Array.isArray call

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