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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: one year ago

isNaN

110.7M/s

typeof

92.8M/s

View exact numbers

Test name	Executions per second
✓ isNaN	110,670,912 Ops/sec
typeof	92,848,040 Ops/sec

Tests: