Run results for: Access to Proxy vs Object vs Signal 2.1ffkikyy

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

object define properties

494.0M/s

Signal access

472.3M/s

proxyReflect access

153.1M/s

proxy get

131.2M/s

View exact numbers

Test name	Executions per second
✓ object define properties	494,001,440 Ops/sec
Signal access	472,341,536 Ops/sec
proxyReflect access	153,100,112 Ops/sec
proxy get	131,214,376 Ops/sec

Script Preparation code:

class Signal {
    constructor(state) {
        this.value = state;
    }

    get() {
        return this.value;
    }
    set(newValue) {
        if (newValue !== this.value) {
            this.value = newValue;
        }
    }
}

function createSignal(value) {
    const v = new Signal(value);
    return [v.get.bind(v), v.set.bind(v)];
}
var [sigData, setData] = createSignal({
    value: 'data'
});


var mObject = {
    _value: 'data'
};
Object.defineProperty(mObject, 'value', {
    set: function(nv) {
        this._value = nv;
    },
    get: function() {
        return this._value;
    }
});


var proxyReflect = new Proxy({
    value: 'data'
}, {
    get(target, prop, receiver) {
        return Reflect.get(target, prop, receiver)
    }
})

var proxyGet = new Proxy({
    value: 'data'
}, {
    get(target, prop, receiver) {
        return target.value
    }
})

Tests:

proxyReflect access
proxyReflect.value
Signal access
sigData().value
object define properties
mObject.value
proxy get
proxyGet.value