Run results for: Compare typeof vs null check

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 126

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Is null

16.8M/s

Is number

16.3M/s

View exact numbers

Test name	Executions per second
✓ Is null	16,836,278 Ops/sec
Is number	16,336,011 Ops/sec

Script Preparation code:

const value = null

Tests: