Run results for: Proxy vs defineProperty

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0

Browser: Firefox 124

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Use of defineProperty

1337.6M/s

Object access

1292.0M/s

Use of simple getter

808.2M/s

Proxy access

219.3M/s

Proxy with get handler access

18.8M/s

Proxy with get reflect handler access

17.8M/s

View exact numbers

Test name	Executions per second
✓ Use of defineProperty	1,337,601,536 Ops/sec
Object access	1,292,048,000 Ops/sec
Use of simple getter	808,150,144 Ops/sec
Proxy access	219,264,128 Ops/sec
Proxy with get handler access	18,790,074 Ops/sec
Proxy with get reflect handler access	17,766,590 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