Run results for: Getter / Setter vs Proxy performance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

getter / setter

14.1M/s

proxy immutable

4.3M/s

proxy getter/setter optimized?

3.8M/s

proxy immutable logging

43K/s

View exact numbers

Test name	Executions per second
✓ getter / setter	14,050,924 Ops/sec
proxy immutable	4,331,574 Ops/sec
proxy getter/setter optimized?	3,807,981 Ops/sec
proxy immutable logging	42,825 Ops/sec

Script Preparation code:

a = 0

data1 = {};
data2 = {};
data3 = {};

handler1 = {
  get: (target, prop) => (target[prop]),
  set: (target, prop, value) => (target[prop] = value),
};

proxy1 = new  Proxy(data1, handler1);


handler2 = {
  get: (target, prop) => (target[prop]),
  set: (target, prop, value) => (null),
};

proxy2 = new  Proxy(data2, handler2);

handler3 = {
  get: (target, prop) => (target[prop]),
  set: (target, prop, value) => (console.error("IMMUTABLE!!!")),
};

proxy3 = new  Proxy(data3, handler3);

data4 = {
  get test() {
    return this._test;
  },
  set test(value) {
    return this._test = value;
  }
};

Tests:

getter / setter
data4.test = Math.random(); a += data4.test;
proxy getter/setter optimized?
proxy1.test = Math.random(); a += proxy1.test;
proxy immutable
proxy2.test = Math.random(); a += proxy2.test;
proxy immutable logging
proxy3.test = Math.random(); a += proxy3.test;