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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

typeof

2130.3M/s

isNaN

2099.4M/s

View exact numbers

Test name	Executions per second
✓ typeof	2,130,299,776 Ops/sec
isNaN	2,099,377,920 Ops/sec

Tests: