Run results for: Setter to Proxy vs Object

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Browser: Chrome 89

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Object setter	5653991.0 Ops/sec
Proxy setter	1679366.8 Ops/sec
Proxy with set handler	1690115.0 Ops/sec

Script Preparation code:

object = {};
proxy = new Proxy(object, {})
proxyWithHandler = new Proxy(object, {
	set(target, prop, receiver) {
    	return Reflect.set(target, prop, receiver)
    }
})

Tests:

Object setter
object.value = 'data';
Proxy setter
proxy.value = 'data';
Proxy with set handler
proxyWithHandler.value = 'data';

Run results for: Setter to Proxy vs Object

Object setter

Proxy setter

Proxy with set handler