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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:129.0) Gecko/20100101 Firefox/129.0

Browser: Firefox 129

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

isNaN

1343.3M/s

typeof

1153.9M/s

View exact numbers

Test name	Executions per second
✓ isNaN	1,343,305,600 Ops/sec
typeof	1,153,912,320 Ops/sec

Tests: