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/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

typeof

62.5M/s

isNaN

39.2M/s

View exact numbers

Test name	Executions per second
✓ typeof	62,539,308 Ops/sec
isNaN	39,175,724 Ops/sec

Tests: