Skip to content

Instantly share code, notes, and snippets.

@jamiehaywood

jamiehaywood/index.html

Last active October 10, 2021 22:38
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save jamiehaywood/c0a4801fcf85b656704ab8cef9a4fc89 to your computer and use it in GitHub Desktop.
Save jamiehaywood/c0a4801fcf85b656704ab8cef9a4fc89 to your computer and use it in GitHub Desktop.
Download ZIP
Unique Array Based on Property #jsbench #jsperf (https://jsbench.github.io/#c0a4801fcf85b656704ab8cef9a4fc89) #jsbench #jsperf
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Unique Array Based on Property #jsbench #jsperf</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>
Raw
suite.js
"use strict";
(function (factory) {
if (typeof Benchmark !== "undefined") {
factory(Benchmark);
} else {
factory(require("benchmark"));
}
})(function (Benchmark) {
var suite = new Benchmark.Suite;
suite.add("const duplicates = new Array(10000).fill().map(()=>({name: \"Alice\", age:21 }));", function () {
const duplicates = new Array(10000).fill().map(()=>({name: "Alice", age:21 }));
Object.values(duplicates.reduce((acc, person) => {
if (!acc[person.name]) acc[person.name] = person;
return acc;
}, {}))
});
suite.add("const duplicates = new Array(10000).fill().map(()=>({name: \"Alice\", age:21 }));", function () {
const duplicates = new Array(10000).fill().map(()=>({name: "Alice", age:21 }));
duplicates.reduce((acc, curr) => {
const exists = acc.some((person) => person.name === curr.name);
if (!exists) return [...acc, curr];
return acc;
}, []);
});
suite.add("const duplicates = new Array(10000).fill().map(()=>({name: \"Alice\", age:21 }));", function () {
const duplicates = new Array(10000).fill().map(()=>({name: "Alice", age:21 }));
Object.values(
Object.fromEntries(
duplicates.map(person => [person.name, person])
)
)
});
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("Unique Array Based on Property #jsbench #jsperf");
console.log(new Array(30).join("-"));
suite.run();
});
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment