Run results for: Access to Proxy vs Object with getter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Use of defineProperty

418.3M/s

Object access

374.2M/s

Use of simple getter

365.4M/s

Proxy access

169.0M/s

Proxy with get handler access

28.1M/s

View exact numbers

Test name	Executions per second
✓ Use of defineProperty	418,255,744 Ops/sec
Object access	374,240,800 Ops/sec
Use of simple getter	365,375,712 Ops/sec
Proxy access	168,965,392 Ops/sec
Proxy with get handler access	28,102,984 Ops/sec

Script Preparation code:

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

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;