Run results for: Object.getOwnPropertyDescriptor().value vs Reflect.get() vs object[]

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.2.1

Device Platform: Mobile

Date tested: one year ago

object[]

404.7M/s

Reflect.get()

213.8M/s

Object.getOwnPropertyDescriptor()

25.0M/s

View exact numbers

Test name	Executions per second
✓ object[]	404,691,680 Ops/sec
Reflect.get()	213,811,552 Ops/sec
Object.getOwnPropertyDescriptor()	25,027,982 Ops/sec

Tests:

Object.getOwnPropertyDescriptor()
let object1 = { property1: 42 }; Object.getOwnPropertyDescriptor(object1, 'property1').value; Object.getOwnPropertyDescriptor(object1, 'noSuchProperty')?.value;
Reflect.get()
let object1 = { property1: 42 }; Reflect.get(object1, 'property1'); Reflect.get(object1, 'noSuchProperty');
object[]
let object1 = { property1: 42 }; object1["property1"] object1["noSuchProperty"]