Run results for: Proxy target[key] vs Reflect.get vs optional Reflect.get

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

baseline get function

83.6M/s

baseline property access

69.7M/s

optional reflect.get

22.8M/s

target[key]

22.5M/s

reflect.get

16.7M/s

View exact numbers

Test name	Executions per second
✓ baseline get function	83,604,880 Ops/sec
baseline property access	69,684,904 Ops/sec
optional reflect.get	22,752,294 Ops/sec
target[key]	22,547,712 Ops/sec
reflect.get	16,723,278 Ops/sec

Script Preparation code:

object = { value: 'data' };

function getValue(){
return object.value
}
  

proxy = new Proxy(object, {
	get(target, key, receiver) {
    	return target[key]
    }
})

proxyOptional = new Proxy(object, {
	get(target, key, receiver) {
    	return proxyOptional === receiver ? target[key] : Reflect.get(target, key, receiver)
    }
})

proxyReflect = new Proxy(object, {
	get(target, key, receiver) {
    	return Reflect.get(target, key, receiver)
    }
})

Tests:

target[key]
proxy.value
optional reflect.get
proxyOptional.value
reflect.get
proxyReflect.value
baseline property access
object.value
baseline get function
getValue()