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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36 OPR/122.0.0.0 (Edition developer)

Browser: Opera 122

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

obj[symb].key

2.2M/s

Object.getOwnPropertyDescriptor().set

2.1M/s

View exact numbers

Test name	Executions per second
✓ obj[symb].key	2,217,542 Ops/sec
Object.getOwnPropertyDescriptor().set	2,085,309 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