Run results for: Setting on Proxy vs Object (with and without handler/Reflect)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
set on object	5203933.0 Ops/sec
set on Proxy	2130485.2 Ops/sec
set on Proxy (directly on target object)	1457187.1 Ops/sec
set on Proxy (using Reflect)	2602510.8 Ops/sec

Script Preparation code:

object = {
    value: Math.random()
};
proxy = new Proxy(object, {})
proxyWithHandler = new Proxy(object, {
    set(target, prop, value) {
        target[prop] = value;
    }
})
proxyWithReflectHandler = new Proxy(object, {
    set(target, prop, value) {
        return Reflect.set(target, prop, value)
    }
})

Tests:

set on object
object.value = Math.random()
set on Proxy
proxy.value = Math.random()
set on Proxy (directly on target object)
proxyWithHandler.value = Math.random()
set on Proxy (using Reflect)
proxyWithReflectHandler.value = Math.random()

Run results for: Setting on Proxy vs Object (with and without handler/Reflect)

set on object

set on Proxy

set on Proxy (directly on target object)

set on Proxy (using Reflect)