Run results for: Proxy vs defineProperty, assign to local

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Object access

110.2M/s

Use of simple getter

96.0M/s

Use of defineProperty

94.3M/s

Proxy access

33.5M/s

Proxy with get handler access

23.8M/s

Proxy with get reflect handler access

17.2M/s

View exact numbers

Test name	Executions per second
✓ Object access	110,222,384 Ops/sec
Use of simple getter	95,985,096 Ops/sec
Use of defineProperty	94,309,056 Ops/sec
Proxy access	33,548,720 Ops/sec
Proxy with get handler access	23,838,062 Ops/sec
Proxy with get reflect handler access	17,240,820 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
let x = object.value;
Proxy access
let x = proxy.value
Proxy with get handler access
let x = proxyWithHandler.value
Use of simple getter
let x = object.getData();
Use of defineProperty
let x = object.dataProperty;
Proxy with get reflect handler access
let x = proxyWithReflectHandler.value