Run results for: Proxy vs defineProperty

Run details:

User agent: Mozilla/5.0 (Android 11; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0

Browser: Firefox Mobile 121

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Use of defineProperty

1065.3M/s

Object access

1048.7M/s

Use of simple getter

703.8M/s

Proxy access

187.3M/s

Proxy with get handler access

15.4M/s

Proxy with get reflect handler access

14.6M/s

View exact numbers

Test name	Executions per second
✓ Use of defineProperty	1,065,261,632 Ops/sec
Object access	1,048,670,528 Ops/sec
Use of simple getter	703,786,496 Ops/sec
Proxy access	187,274,272 Ops/sec
Proxy with get handler access	15,449,618 Ops/sec
Proxy with get reflect handler access	14,604,698 Ops/sec

Script Preparation code:

object = { value: 'data', getData() {return this.value;} };
Object.defineProperty(object, 'dataProperty', {
  get() { return this.value; }
});
proxy = new Proxy(object, {})
proxyWithReflectHandler = new Proxy(object, {
	get(target, prop, receiver) {
    	return Reflect.get(target, prop, receiver)
    }
})
proxyWithHandler = new Proxy(object, {
	get(target, prop, receiver) {
    	return object[prop];
    }
})

Tests:

Object access
object.value;
Proxy access
proxy.value
Proxy with get handler access
proxyWithHandler.value
Use of simple getter
object.getData();
Use of defineProperty
object.dataProperty;
Proxy with get reflect handler access
proxyWithReflectHandler.value