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; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

baseline property access

1296.1M/s

baseline get function

243.9M/s

target[key]

34.1M/s

optional reflect.get

21.0M/s

reflect.get

19.1M/s

View exact numbers

Test name	Executions per second
✓ baseline property access	1,296,136,960 Ops/sec
baseline get function	243,857,280 Ops/sec
target[key]	34,125,912 Ops/sec
optional reflect.get	20,976,530 Ops/sec
reflect.get	19,088,772 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()