Run results for: instanceof vs typeof

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Windows
Desktop
one year ago
typeof
1272.3M/s
typeof no function
1110.4M/s
typeof and test attribute
892.5M/s
instanceof
162.5M/s
View exact numbers
Test name Executions per second
✓ typeof 1,272,315,392 Ops/sec
typeof no function 1,110,408,064 Ops/sec
typeof and test attribute 892,499,712 Ops/sec
instanceof 162,541,008 Ops/sec
Script Preparation code:
Tests: