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@whoisYeshua
Created January 10, 2022 19:31
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Filter with has vs Filter with includes (http://jsbench.github.io/#cb72bdec400ae1f1f6036ceb65bcc7cb) #jsbench #jsperf
<!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>
"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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