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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0

Browser: Firefox 126

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

isNaN

853.4M/s

typeof

759.3M/s

View exact numbers

Test name	Executions per second
✓ isNaN	853,423,040 Ops/sec
typeof	759,286,656 Ops/sec

Tests: