Benchmark: hasOwnPropertyness

Script Preparation code:

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

Tests:

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

Rendered benchmark preparation results:

Previous results

Test case name	Result
hasOwnProperty
Not.

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Latest run results:

Run details: (Test run date: 5 years ago)

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

Browser/OS: Firefox 62 on Ubuntu

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

hasOwnPropertyness (version: 0)