Run results for: Proxy setter with sub operation v. class

Run details:

User agent: Mozilla/5.0 (Android 7.0; Mobile; rv:80.0) Gecko/80.0 Firefox/80.0

Browser: Firefox Mobile 80

Operating system: Android 7.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Object setter	7489959.0 Ops/sec
Proxy setter	1521104.0 Ops/sec
Proxy with set handler	288545.0 Ops/sec

Script Preparation code:

var c = 0;
object = {};
class p {
    set value(v){
         if (c++%7==0) v += c;
        this._value = v;
    }
}
proxy = new p();
proxyWithHandler = new Proxy(object, {
	set(target, prop, receiver) {
        if (c++%7==0) prop += c;
    	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: Proxy setter with sub operation v. class

Object setter

Proxy setter

Proxy with set handler