Run results for: instanceof vs typeof

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
instanceof
554.5M/s
typeof and test attribute
541.5M/s
typeof no function
526.3M/s
typeof
460.2M/s
View exact numbers
Test name Executions per second
✓ instanceof 554,500,672 Ops/sec
typeof and test attribute 541,456,576 Ops/sec
typeof no function 526,307,552 Ops/sec
typeof 460,165,472 Ops/sec
Script Preparation code:
Tests: