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Run results for:
Getter / Setter vs Proxy performance
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<iframe src="https://measurethat.net/Embed?id=619362" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0
Browser:
Chrome 141
Operating system:
Windows
Device Platform:
Desktop
Date tested:
6 months ago
Test name
Executions per second
getter / setter
4851149.5 Ops/sec
proxy getter/setter optimized?
5809769.5 Ops/sec
proxy immutable
2328520.0 Ops/sec
proxy immutable logging
264460.1 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;