Run results for: instanceof vs hasOwnProperty

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.80 Safari/537.36

Browser: Chrome 71

Operating system: Linux

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
instanceOf	2823168.2 Ops/sec
hasOwnProperty	9464702.0 Ops/sec

Script Preparation code:

var obj = {a: 1}

Tests: