Run results for: Has own property - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36

Browser: Chrome 113

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Using `in`	11995020.0 Ops/sec
Using `hasOwn()`	4204369.0 Ops/sec
Using `hasOwnProperty()`	10830500.0 Ops/sec
Using `undefined` check	4211547.0 Ops/sec

Website performance monitoring

Script Preparation code:

var o = { path: "a" }

Tests:

Using `in`
!("path" in o)
Using `hasOwn()`
Object.hasOwn(o, "path")
Using `hasOwnProperty()`
o.hasOwnProperty("path")
Using `undefined` check
o.path === undefined