Run results for: instanceof vs typeof

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0
Firefox 133
Windows
Desktop
one year ago
typeof
2296.9M/s
typeof no function
1535.2M/s
typeof and test attribute
1526.8M/s
instanceof
224.4M/s
View exact numbers
Test name Executions per second
✓ typeof 2,296,851,200 Ops/sec
typeof no function 1,535,207,424 Ops/sec
typeof and test attribute 1,526,837,632 Ops/sec
instanceof 224,361,072 Ops/sec
Script Preparation code:
Tests: