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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser: Chrome 138

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

obj[key]

80.9M/s

Reflect.get()

41.9M/s

Object.getOwnPropertyDescriptor()

23.5M/s

View exact numbers

Test name	Executions per second
✓ obj[key]	80,870,608 Ops/sec
Reflect.get()	41,855,864 Ops/sec
Object.getOwnPropertyDescriptor()	23,479,796 Ops/sec

Tests:

Object.getOwnPropertyDescriptor()
const key = 'property1' let object1 = { property1: 42 }; Object.getOwnPropertyDescriptor(object1, key).value;
Reflect.get()
const key = 'property1' let object1 = { property1: 42 }; Reflect.get(object1, key);
obj[key]
const key = 'property1' let object1 = { property1: 42 }; object1[key];