Run results for: Proxy vs defineProperty

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Object access

1204.6M/s

Use of defineProperty

1166.6M/s

Use of simple getter

682.2M/s

Proxy access

172.6M/s

Proxy with get handler access

14.4M/s

Proxy with get reflect handler access

12.3M/s

View exact numbers

Test name	Executions per second
✓ Object access	1,204,619,264 Ops/sec
Use of defineProperty	1,166,589,824 Ops/sec
Use of simple getter	682,237,120 Ops/sec
Proxy access	172,618,960 Ops/sec
Proxy with get handler access	14,447,368 Ops/sec
Proxy with get reflect handler access	12,348,612 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