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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

object[]

165.1M/s

Reflect.get()

48.2M/s

Object.getOwnPropertyDescriptor()

38.2M/s

View exact numbers

Test name	Executions per second
✓ object[]	165,114,784 Ops/sec
Reflect.get()	48,231,336 Ops/sec
Object.getOwnPropertyDescriptor()	38,157,012 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"]