Run results for: hasOwnPropertyness

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0

Browser: Firefox 62

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
hasOwnProperty	66350060.0 Ops/sec
Not.	113057900.0 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;