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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Chrome 135
Mac OS X 10.15.7
Desktop
one year ago
typeof positive
104.9M/s
Number.isInteger() positive
102.7M/s
typeof negative
101.8M/s
Number.isInteger() negative
100.2M/s
View exact numbers
Test name Executions per second
✓ typeof positive 104,928,032 Ops/sec
Number.isInteger() positive 102,722,968 Ops/sec
typeof negative 101,798,728 Ops/sec
Number.isInteger() negative 100,244,488 Ops/sec
Tests: