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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
Chrome 114
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
constructor comparison 8378257.5 Ops/sec
instanceof operator 8559517.0 Ops/sec
Array.isArray call 8571447.0 Ops/sec
Script Preparation code:
Tests:

  • constructor comparison

  • instanceof operator

  • Array.isArray call

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