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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/120.0.6099.119 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 120

Operating system: iOS 17.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
typeof	489953184.0 Ops/sec
isNaN	20181920.0 Ops/sec

Tests:

typeof
typeof 5 === 'number'
isNaN
isNaN(5)