Run results for: Object.getOwnPropertyDescriptor().set vs obj[symbol].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[symb].key

2.0M/s

Object.getOwnPropertyDescriptor().set

1.7M/s

View exact numbers

Test name	Executions per second
✓ obj[symb].key	1,989,335 Ops/sec
Object.getOwnPropertyDescriptor().set	1,724,828 Ops/sec

Tests:

Object.getOwnPropertyDescriptor().set
const symb = Symbol() const key = 'property1' const setter = () => {} let object1 = { set property1(v){ }, [symb]: {set: setter} }; Object.getOwnPropertyDescriptor(object1, key).set;
obj[symb].key
const symb = Symbol() const key = 'property1' const setter = () => {} let object1 = { set property1(v){ }, [symb]: {set: setter} }; object1[symb].set