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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

typeof

60.5M/s

isNaN

4.9M/s

View exact numbers

Test name	Executions per second
✓ typeof	60,497,500 Ops/sec
isNaN	4,914,648 Ops/sec

Tests: