Run results for: instanceof vs typeof gyuguyguy

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

typeof

32.6M/s

instanceof

12.3M/s

View exact numbers

Test name	Executions per second
✓ typeof	32,610,850 Ops/sec
instanceof	12,349,535 Ops/sec

Script Preparation code:

var obj = () => {};

Tests: