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/133.0.0.0 Safari/537.36
Chrome 133
Mac OS X 10.15.7
Desktop
one year ago
typeof negative
233.1M/s
Number.isInteger() negative
232.0M/s
typeof positive
230.8M/s
Number.isInteger() positive
226.4M/s
View exact numbers
Test name Executions per second
✓ typeof negative 233,062,928 Ops/sec
Number.isInteger() negative 232,006,928 Ops/sec
typeof positive 230,829,664 Ops/sec
Number.isInteger() positive 226,372,176 Ops/sec
Tests: