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@elijahmanor
Last active January 10, 2022 14:31
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Revisions

  1. elijahmanor revised this gist Oct 6, 2021. 2 changed files with 12 additions and 4 deletions.
    2 changes: 1 addition & 1 deletion index.html
    Original file line number Diff line number Diff line change
    @@ -2,7 +2,7 @@
    <html>
    <head>
    <meta charset="utf-8"/>
    <title>Fill JavaScript Array</title>
    <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>
    14 changes: 11 additions & 3 deletions suite.js
    Original file line number Diff line number Diff line change
    @@ -11,8 +11,16 @@



    suite.add("", function () {

    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) {
    @@ -31,7 +39,7 @@
    });
    });

    console.log("Fill JavaScript Array");
    console.log("Fill JavaScript Array #jsbench #jsperf");
    console.log(new Array(30).join("-"));
    suite.run();
    });
  2. elijahmanor created this gist Oct 6, 2021.
    13 changes: 13 additions & 0 deletions index.html
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,13 @@
    <!DOCTYPE html>
    <html>
    <head>
    <meta charset="utf-8"/>
    <title>Fill JavaScript Array</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>
    37 changes: 37 additions & 0 deletions suite.js
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,37 @@
    "use strict";

    (function (factory) {
    if (typeof Benchmark !== "undefined") {
    factory(Benchmark);
    } else {
    factory(require("benchmark"));
    }
    })(function (Benchmark) {
    var suite = new Benchmark.Suite;



    suite.add("", function () {

    });

    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");
    console.log(new Array(30).join("-"));
    suite.run();
    });