Run results for: typeof vs instanceof Function

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 138

Operating system: Android

Device Platform: Mobile

Date tested: 3 months ago

typeof

52.7M/s

instanceof

43.7M/s

View exact numbers

Test name	Executions per second
✓ typeof	52,653,620 Ops/sec
instanceof	43,745,008 Ops/sec

Script Preparation code:

var f = () => {};

Tests: