Run results for: Proxy vs defineProperty

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 17_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/125.0.6422.80 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 125

Operating system: iOS 17.3

Device Platform: Tablet

Date tested: 2 years ago

Proxy access

19.4M/s

Object access

19.4M/s

Use of defineProperty

19.3M/s

Use of simple getter

19.2M/s

Proxy with get reflect handler access

8.8M/s

Proxy with get handler access

8.7M/s

View exact numbers

Test name	Executions per second
✓ Proxy access	19,383,466 Ops/sec
Object access	19,382,148 Ops/sec
Use of defineProperty	19,262,282 Ops/sec
Use of simple getter	19,180,956 Ops/sec
Proxy with get reflect handler access	8,847,750 Ops/sec
Proxy with get handler access	8,744,625 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