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 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 YaBrowser/24.7.0.0 Safari/537.36
Yandex Browser 24
Linux
Desktop
one year ago
Array.isArray call
11.1M/s
instanceof operator
10.3M/s
constructor comparison
10.2M/s
View exact numbers
Test name Executions per second
✓ Array.isArray call 11,119,899 Ops/sec
instanceof operator 10,299,846 Ops/sec
constructor comparison 10,247,796 Ops/sec
Script Preparation code:
Tests: