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Proxy vs setters / getters (http://jsbench.github.io/#dca840b71279a363b7750bf3a48e074c) #jsbench #jsperf
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| <!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> |
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| "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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