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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Chrome 120
Windows
Desktop
2 years ago
constructor comparison
1.6M/s
Array.isArray call
1.6M/s
instanceof operator
1.5M/s
View exact numbers
Test name Executions per second
✓ constructor comparison 1,624,974 Ops/sec
Array.isArray call 1,555,404 Ops/sec
instanceof operator 1,535,713 Ops/sec
Script Preparation code:
Tests: