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/605.1.15 (KHTML, like Gecko) Version/16.5.1 Safari/605.1.15

Browser: Safari 16

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

typeof

481.3M/s

isNaN

13.2M/s

View exact numbers

Test name	Executions per second
✓ typeof	481,335,584 Ops/sec
isNaN	13,230,468 Ops/sec

Tests: