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 year ago

Direct

1041.4M/s

Define Property

320.3M/s

Proxy

7.3M/s

View exact numbers

Test name	Executions per second
✓ Direct	1,041,441,088 Ops/sec
Define Property	320,265,440 Ops/sec
Proxy	7,344,261 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;