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@areknawo
Last active February 23, 2020 18:41
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Proxy vs setters / getters (http://jsbench.github.io/#dca840b71279a363b7750bf3a48e074c) #jsbench #jsperf
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Proxy vs setters / getters</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script>
<script src="./suite.js"></script>
</head>
<body>
<h1>Open the console to view the results</h1>
<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2>
</body>
</html>
"use strict";
(function (factory) {
if (typeof Benchmark !== "undefined") {
factory(Benchmark);
} else {
factory(require("benchmark"));
}
})(function (Benchmark) {
var suite = new Benchmark.Suite;
Benchmark.prototype.setup = function () {
const obj = {prop:1}
const obj2 = {prop:1}
Object.defineProperty(obj, "anotherProp", {
get() {
return obj.prop;
},
set(value) {
obj.prop = value;
}
});
const proxy = new Proxy(obj2, {
get(obj, prop) {
return obj[prop];
},
set(obj, prop, value) {
obj[prop] = value;
return true;
}
})
};
suite.add("proxy.prop = 2;", function () {
proxy.prop = 2;
proxy.prop;
});
suite.add("obj.anotherProp = 2;", function () {
obj.anotherProp = 2;
obj.anotherProp;
});
suite.on("cycle", function (evt) {
console.log(" - " + evt.target);
});
suite.on("complete", function (evt) {
console.log(new Array(30).join("-"));
var results = evt.currentTarget.sort(function (a, b) {
return b.hz - a.hz;
});
results.forEach(function (item) {
console.log((idx + 1) + ". " + item);
});
});
console.log("Proxy vs setters / getters");
console.log(new Array(30).join("-"));
suite.run();
});
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