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/73.0.3683.103 Safari/537.36

Browser: Chrome 73

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
instanceof	0.0 Ops/sec
typeof	1555569.4 Ops/sec

Script Preparation code:

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

Tests: