Run results for: in vs. hasOwnProperty

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Linux

Device Platform: Desktop

Date tested: 9 months ago

81.4M/s

hasOwnProperty

48.3M/s

View exact numbers

Test name	Executions per second
✓ in	81,352,872 Ops/sec
hasOwnProperty	48,342,864 Ops/sec

Script Preparation code:

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

Tests: