Run results for: typeof x === 'number' vs isNaN(x)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

typeof

173.3M/s

isNaN

16.1M/s

View exact numbers

Test name	Executions per second
✓ typeof	173,311,952 Ops/sec
isNaN	16,125,721 Ops/sec

Tests: