Run results for: instanceof vs typeof vs fast typeof object

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36 Edg/131.0.0.0
Chrome 131
Windows
Desktop
one year ago
typeof object slice
92.0M/s
typeof
7.9M/s
typeof object charAt
7.7M/s
instanceof
4.6M/s
View exact numbers
Test name Executions per second
✓ typeof object slice 91,977,704 Ops/sec
typeof 7,939,060 Ops/sec
typeof object charAt 7,688,023 Ops/sec
instanceof 4,615,432 Ops/sec
Script Preparation code:
Tests: