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January 10, 2022 19:31
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Filter with has vs Filter with includes (http://jsbench.github.io/#cb72bdec400ae1f1f6036ceb65bcc7cb) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>Filter with has vs Filter with includes</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; | |
| suite.add("const compareMeth1 = (length = 1000) => {", function () { | |
| const compareMeth1 = (length = 1000) => { | |
| let LENGTH = length | |
| let getRandomInt = (min, max) => Math.floor(Math.random()*(max-min+1)+min) | |
| let valuesToKeep = Array.from({ length: LENGTH }, () => getRandomInt(0, LENGTH)); | |
| let valuesToTest = Array.from({ length: LENGTH * 10 }, () => getRandomInt()) | |
| // filter using has | |
| console.time("has"); | |
| const valuesToKeepSet = new Set(valuesToKeep); | |
| valuesToTest.filter((v) => valuesToKeepSet.has(v)); // n | |
| console.timeEnd("has"); | |
| } | |
| compareMeth1() | |
| }); | |
| suite.add("const compareMeth2 = (length = 1000) => {", function () { | |
| const compareMeth2 = (length = 1000) => { | |
| let LENGTH = length | |
| let getRandomInt = (min, max) => Math.floor(Math.random()*(max-min+1)+min) | |
| let valuesToKeep = Array.from({ length: LENGTH }, () => getRandomInt(0, LENGTH)); | |
| let valuesToTest = Array.from({ length: LENGTH * 10 }, () => getRandomInt()) | |
| // filter using includes | |
| console.time("includes"); | |
| valuesToTest.filter((v) => valuesToKeep.includes(v)); // n2 | |
| console.timeEnd("includes"); | |
| } | |
| compareMeth2() | |
| }); | |
| 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("Filter with has vs Filter with includes"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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