Flow: Mapping an objectThis article has been moved to: http://thejameskyle.com/flow-mapping-an-object.html. “Flow: Mapping an object” is published by Jamie Kyle.
GitHub - jvilk/BrowserFS: BrowserFS is an in-browser filesystem that emulates the Node JS filesystem API and supports storing and retrieving files from various backends.
22 March 2024 Hey there, this is the current maintainer of BrowserFS. I've been working on BrowserFS for over a year now, and have made some big improvements. A few months ago, I began seperating some backends from BrowserFS to be placed into different packages. Along with this, I created the browser-fs organization on Github and the browserfs organization on NPM. I made new organizations to keep
baffle.js
Basic Usage With baffle installed, getting started is as simple as calling baffle() with some DOM elements. Those elements can be in the form of a CSS selector, a NodeList, or a single Node. You can also pass an options object. baffle operates on node.textContent, so it will flatten any child elements. It's best used on elements without children. // With a CSS selector let b = baffle('.headline');
Animating like you just don’t care with Element.animate – Mozilla Hacks - the Web developer blog
In Firefox 48 we’re shipping the <a href="https://developer.mozilla.org/docs/Web/API/Element/animate" target="_blank"><b>Element.animate()</b></a> API — a new way to programmatically animate DOM elements using JavaScript. Let’s pause for a second — “big deal”, you might say, or “what’s all the fuss about?” After all, there are already plenty of animation libraries to choose from. In this post I wa
Writing a JavaScript framework - Execution timing, beyond setTimeout - RisingStack Engineering
This is the second chapter of the Writing a JavaScript framework series. In this chapter, I am going to explain the different ways of executing asynchronous code in the browser. You will read about the event loop and the differences between timing techniques, like setTimeout and Promises. The series is about an open-source client-side framework, called NX. During the series, I explain the main dif
How to stub promises using Sinon.JS
Promises are a great way of doing async programming. But testing with promises can be a bit cumbersome, even with the use of the arrow functions syntax. Recently I've found a small and nice package to help to stub tests using Sinon, and the library is sinon-stub-promise. function fetchMovieData() { return fetch("/movies") .then(res => { return res.json(); }) .then(movies => { return movies; }); }
GitHub - outmoded/metaphor: Open Graph, Twitter Card, and oEmbed Metadata Collector
Open Graph, Twitter Card, and oEmbed Metadata Collector metaphor uses three web protocols to obtain information about web resources for the purpose of embedding smaller versions of those resources in other web resources or applications. It is very common for applications to expand links into a formatted preview of the link destination. However, obtaining this information requires using multiple pr
Test-Driving JavaScript Applications
Debunk the myth that JavaScript is not easily testable. Whether you use Node.js, Express, MongoDB, jQuery, AngularJS, or directly manipulate the DOM, you can test-drive JavaScript. Learn the craft of writing meaningful, deterministic automated tests with Karma, Mocha, and Chai. Test asynchronous JavaScript, decouple and properly mock out dependencies, measure code coverage, and create lightweight
A brief history of JavaScript
JavaScript was created by Brendan Eich in 1995 during his time at Netscape Communications. It was inspired by Java, Scheme and Self. Netscape Navigator market share (source)Netscape, for a time, made the best browser in the world and enjoyed market dominance. In late 1995, when Microsoft cottoned-on to the competitive threat the Web posed, the Internet Explorer project was started in an all-out at
Vuex とは何か？ | Vuex
注意 これは、Vue 3 で動作する Vuex 4 のためのドキュメントです。Vue 2 で動作する Vuex 3 のドキュメントをお探しの方は、こちらをご覧ください。 Vuex は Vue.js アプリケーションのための 状態管理パターン + ライブラリです。 これは予測可能な方法によってのみ状態の変異を行うというルールを保証し、アプリケーション内の全てのコンポーネントのための集中型のストアとして機能します。 "状態管理パターン"とはなんですか？ #単純な Vue で作られたカウンターアプリをみてみましょう: const Counter = { // state data () { return { count: 0 } }, // view template: ` <div>{{ count }}</div> `, // actions methods: { increment ()
Taming requestAnimationFrame and requestIdleCallback
Taming requestAnimationFrame and requestIdleCallbackWhen Paul Irish wrote requestAnimationFrame Scheduling For Nerds I’ve decided to create a tiny utility called Scheduled on Browser and this post goal is to quickly explain why that would most likely benefit your current project too. Duplicated schedules are uselessI’ve used requestAnimationFrame since its early prefixed days and in various projec
GitHub - react-bootstrap/dom-helpers: tiny, extremely modular, DOM helper library for IE9+
over and over again, or you need a ok getComputedStyle polyfill but don't want to include all of jQuery, use this. dom-helpers does expect certain, polyfillable, es5 features to be present for which you can use es5-shim where needed The real advantage to this collection is that any method can be required individually, meaning bundlers like webpack will only include the exact methods you use. This
ES6 Cyclic Module Loading
Before we get into the differences between ES5 and ES6 handling of cyclic dependencies, let’s first talk about what that means because it isn’t the most common thing and is something I have only recently learned about as well. Cyclical dependencies means that you have 2 files which imports one another. A.js imports B.js, and B.js imports A.js . This isn’t a design pattern that is recommended howev
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
From Mixins to Object Composition
High Performance Images (Preview Edition)
Understanding ECMAScript 6
1287706 - Support "once" option for addEventListener
mocha/CHANGELOG.md at main · mochajs/mocha
angularclass.com
GitHub - sindresorhus/execall: Find multiple RegExp matches in a string