Run results for: undefined vs. hasOwnProperty2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36

Browser: Chrome 66

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
undefined	11477140.0 Ops/sec
hasOwnProperty	10355390.0 Ops/sec

Script Preparation code:

var obj = { a: 1, b: 2, c: 3, d: { a: 1, b: 2, b: 3, d: 4 }, e: 5 };

Tests: