Run results for: hasOwnPropertyness

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Browser: Chrome 69

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
hasOwnProperty	1701727.0 Ops/sec
Not.	3156100.0 Ops/sec

Script Preparation code:

var a = {
    property: 'string'
},
b;

Tests:

hasOwnProperty
if (a.hasOwnProperty('property') && a.property) { b = a.property; }
Not.
b = a.property || false;