Run results for: hasOwnProperty vs direct access (bool) vs in 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

21.8M/s

hasOwnProperty

21.7M/s

direct access (bool)

21.5M/s

object

9.3M/s

View exact numbers

Script Preparation code:

var x = { a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}

Tests: