Run results for: Setter to Proxy vs Object

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.22 Safari/537.36

Browser: Chrome 86

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Object setter	5481106.0 Ops/sec
Proxy setter	1748263.1 Ops/sec
Proxy with set handler	1854907.0 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