Run results for: instanceof vs typeof

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Mac OS X 10.15.7
Desktop
one year ago
typeof
15.3M/s
instanceof
8.2M/s
typeof and test attribute
8.0M/s
typeof no function
7.9M/s
View exact numbers
Test name Executions per second
✓ typeof 15,347,613 Ops/sec
instanceof 8,152,942 Ops/sec
typeof and test attribute 7,962,560 Ops/sec
typeof no function 7,948,428 Ops/sec
Script Preparation code:
Tests: