Run results for: instanceof vs typeof

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Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0
Firefox 131
Linux
Desktop
one year ago
typeof
651.5M/s
typeof no function
512.8M/s
typeof and test attribute
466.3M/s
instanceof
118.3M/s
View exact numbers
Test name Executions per second
✓ typeof 651,500,544 Ops/sec
typeof no function 512,802,464 Ops/sec
typeof and test attribute 466,328,480 Ops/sec
instanceof 118,339,064 Ops/sec
Script Preparation code:
Tests: