Run results for: Function: typeof vs instanceof

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Windows

Device Platform: Desktop

Date tested: 2 months ago

typeof

7.0M/s

instanceof

6.9M/s

View exact numbers

Test name	Executions per second
✓ typeof	7,016,315 Ops/sec
instanceof	6,875,831 Ops/sec

Script Preparation code:

const f = () => {};
let i = 0;

Tests: