Run results for: Compare typeof vs null check

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Is number

60.7M/s

Is null

40.4M/s

View exact numbers

Test name	Executions per second
✓ Is number	60,732,252 Ops/sec
Is null	40,370,204 Ops/sec

Script Preparation code:

const value = null

Tests: