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

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0
Firefox 122
Mac OS X 10.15
Desktop
2 years ago
constructor comparison
940.4M/s
Array.isArray call
169.0M/s
instanceof operator
163.6M/s
View exact numbers
Test name Executions per second
✓ constructor comparison 940,353,856 Ops/sec
Array.isArray call 169,044,288 Ops/sec
instanceof operator 163,600,528 Ops/sec
Script Preparation code:
Tests: