Run results for: Number.isInteger() vs typeof

Is it faster to detect if a variable is an integer or is it faster to use typeof to verify the type?

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 OPR/113.0.0.0
Opera 113
Linux
Desktop
one year ago
typeof negative
178.5M/s
typeof positive
176.6M/s
Number.isInteger() negative
151.7M/s
Number.isInteger() positive
150.0M/s
View exact numbers
Test name Executions per second
✓ typeof negative 178,540,752 Ops/sec
typeof positive 176,631,696 Ops/sec
Number.isInteger() negative 151,667,904 Ops/sec
Number.isInteger() positive 149,951,360 Ops/sec
Tests: