Run results for: Proxy set performance

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Linux

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
Direct	1041441088.0 Ops/sec
Define Property	320265440.0 Ops/sec
Proxy	7344261.0 Ops/sec

Script Preparation code:

var obj = {};

var _obj = {};
var proxy = new Proxy(_obj, {
  set: (obj, prop, value) => { _obj[prop] = value; }
});

var defineProp = {};
Object.defineProperty(defineProp, 'prop', {
  configurable: false,
  set: v => defineProp._v = v
});

Tests:

Direct
obj.prop = 5;
Define Property
defineProp.prop = 5;
Proxy
proxy.prop = 5;

Run results for: Proxy set performance

Direct

Define Property

Proxy