Run results for: instanceof vs typeof

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0
Firefox 123
Mac OS X 10.15
Desktop
2 years ago
typeof no function
1590.4M/s
typeof and test attribute
1590.4M/s
typeof
1588.7M/s
instanceof
234.2M/s
View exact numbers
Test name Executions per second
✓ typeof no function 1,590,427,136 Ops/sec
typeof and test attribute 1,590,363,904 Ops/sec
typeof 1,588,678,912 Ops/sec
instanceof 234,244,432 Ops/sec
Script Preparation code:
Tests: