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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

typeof

158.5M/s

isNaN

11.3M/s

View exact numbers

Test name	Executions per second
✓ typeof	158,468,832 Ops/sec
isNaN	11,345,182 Ops/sec

Tests: