Run results for: Proxy<Map> vs Object

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/109.0.5414.83 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 109

Operating system: iOS 16.2

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Map access	12377845.0 Ops/sec
Object access	14319671.0 Ops/sec
Proxy access	8718127.0 Ops/sec
Proxy with get handler access	5760558.5 Ops/sec

Script Preparation code:

object = {
    value: 'data'
};
map = new Map([
    ['value', 'data']
]);
proxy = new Proxy(object, {})
proxyWithHandler = new Proxy(map, {
    get(target, prop, receiver) {
        return target.get(prop);
    }
})

Tests:

Map access
map.get('value');
Object access
object.value;
Proxy access
proxy.value;
Proxy with get handler access
proxyWithHandler.value;

Run results for: Proxy<Map> vs Object

Map access

Object access

Proxy access

Proxy with get handler access