Run results for: Function: typeof vs instanceof

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36

Browser: Chrome 66

Operating system: Mac OS X 10.11.6

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
instanceof	0.0 Ops/sec
typeof	2497883.0 Ops/sec

Script Preparation code:

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

Tests: