Skip to content

Instantly share code, notes, and snippets.

@elijahmanor
Last active January 10, 2022 14:31
  • Star 1 You must be signed in to star a gist
  • Fork 1 You must be signed in to fork a gist
Star You must be signed in to star a gist
Save elijahmanor/2bcdfb2f21a686a56efc07d17e471a85 to your computer and use it in GitHub Desktop.
Fill JavaScript Array #jsbench #jsperf (http://jsbench.github.io/#2bcdfb2f21a686a56efc07d17e471a85) #jsbench #jsperf
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Fill JavaScript Array #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>
"use strict";
(function (factory) {
if (typeof Benchmark !== "undefined") {
factory(Benchmark);
} else {
factory(require("benchmark"));
}
})(function (Benchmark) {
var suite = new Benchmark.Suite;
suite.add("[...Array(1000)].map((_, i) => i)", function () {
[...Array(1000)].map((_, i) => i)
});
suite.add("Array(1000).fill(null).map((_, i) => i);", function () {
Array(1000).fill(null).map((_, i) => i);
});
suite.add("Array.from({ length: 1000 }, (_, i) => i);", function () {
Array.from({ length: 1000 }, (_, i) => i);
});
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("Fill JavaScript Array #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