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: 6 months ago

Test name	Executions per second
Object access	19382148.0 Ops/sec
Proxy access	19383466.0 Ops/sec
Proxy with get handler access	8744625.0 Ops/sec
Use of simple getter	19180956.0 Ops/sec
Use of defineProperty	19262282.0 Ops/sec
Proxy with get reflect handler access	8847750.0 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

Run results for: Proxy vs defineProperty

Object access

Proxy access

Proxy with get handler access

Use of simple getter

Use of defineProperty

Proxy with get reflect handler access