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/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

typeof

822.6M/s

isNaN

10.5M/s

View exact numbers

Test name	Executions per second
✓ typeof	822,623,808 Ops/sec
isNaN	10,520,118 Ops/sec

Tests: