Finally the Promise.prototype.finally() is available
Finally the Promise.prototype.finally() is available Serg Hospodarets Blog Since the Promises were added in JavaScript, one of the biggest concerns was the absence of an ability to easily apply some code after the Promise is fulfilled (after both success and reject actions). There are many examples of such a need: showing a loader when the request to the server is in flight or even a simpler case-
For fast and secure sites | Jamstack
What is Jamstack? Jamstack is an architectural approach that decouples the web experience layer from data and business logic, improving flexibility, scalability, performance, and maintainability. Jamstack removes the need for business logic to dictate the web experience. It enables a composable architecture for the web where custom logic and 3rd party services are consumed through APIs. The Roots
Frontrend Vol.10 アウトラインメモ
Frontrend Vol.10 - 夏の終わりに納涼パフォーマンス話 - connpassに参加してきたのでメモ。 FRESH!: クライアントサイドパフォーマンス改善 by @sutiwo_ FRESH! Web パフォーマンス改善 〜クライアントサイド編〜の話 FRESHはPCとSPの視聴/配信のブラウザ対応 生放送のタイムラグを10秒 -> 5秒 映像配信プラットフォーム「FRESH!」が映像配信のタイムラグを大幅に短縮 業界最速水準で高画質映像の配信が可能に | 株式会社サイバーエージェント Freshのウェブプッシュ通知機能 Freshアクセシビリティガイドライン FRESH! Accessibility Guidelines Service Worker バックグラインドで実行するWorker postMessageでのやり取り ネットワークのハンドリング PUsh通知 ht
Get to know the Actor Model
September 4, 2017 The Actor Model was proposed in the '70s by Carl Hewitt as a conceptual model to deal with concurrent computation. There are a good amount of implementations out there in the wild, from complete programming languages to libraries and frameworks; the most popular ones being Erlang/Elixir and Akka. Every implementation has its own particularities, but the foundational concepts rema
The broken promise of Web Components | A Place Where Even Mammoths Fly
Disclaimer: I talk a lot about React here, but you can substitute your favorite library: Inferno, Preact, Vue, snabbdom, virtual-dom (or non-js libraries and frameworks like Elm, Om, etc.). Similarly, replace Polymer with Vaadin, or X-Tag, or… Also, read Rob Dodson’s excellent response to this article: https://robdodson.me/regarding-the-broken-promise-of-web-components/ Brief, incomplete, and most
JSconsole website
1). js.load(NAME(String) || URL(String) || NUMBER_FROM_LIST(Number) || [NAME, URL, NUMBER_FROM_LIST](Array)) Load the latest library from the internal CDN according to to NAME(S). For NUMBER_FROM_LIST use js.alias();
正式リリースされたES8の主な新機能 ???? | POSTD
EcmaScript仕様第8版の新機能 EcmaScript 8もしくはEcmaScript 2017が、6月末にTC39から正式にリリースされました。私たちはこの1年、EcmaScriptについて色々と議論しているようですが、それは無駄なことではありません。現在、ES標準は新しい仕様のバージョンが年1回公開されています。ES6は2015年、ES7は2016年に公開されましたが、ES5のリリース時期をご記憶でしょうか。JavaScriptが魔法のように普及する以前の、2009年のことでした。 つまり私たちは、安定した言語としてJavaScriptの開発上の変化をたどっており、今や自分の語彙にES8を加える必要があるのです。 ES2017 (the 8th edition of the JavaScript Spec) was officially released and publishe
Repatch — the simplified Redux | HackerNoon
Too Long; Didn't ReadI’ve been involved in <a href="https://www.npmjs.com/package/react" target="_blank">react</a>-<a href="https://www.npmjs.com/package/redux" target="_blank">redux</a> projects for several years. After I first met with flux, I was impressed by its expressive power that describes complicated use cases in contrast to other dataflow concepts, which caused many troubles when the com
Rethinking drag and drop
introducing react-beautiful-dndDrag and drop is an intuitive way of moving and rearranging things. We at Atlassian have recently released react-beautiful-dnd which makes drag and drop for lists on the web more beautiful, natural and accessible. PhysicalityThe core design idea of react-beautiful-dnd is physicality: we want users to feel like they are moving physical objects around. This is best ill
Choo, architecture & performance
Almost every Choo release so far has managed to include more features, and reduce the size on disk. In the upcoming v6 release we’re now sitting at 3.8Kb. People often ask how it’s possible to pack a “batteries included” browser framework into something that’s about an order of magnitude smaller than conventional options. This post is intended to break down the bits that make up Choo, and explain
Introduction to FuseBox — a Faster, Simpler webpack Alternative — SitePoint
Stay Relevant and Grow Your Career in TechPremium ResultsPublish articles on SitePointDaily curated jobsLearning PathsDiscounts to dev toolsStart Free Trial7 Day Free Trial. Cancel Anytime. webpack has arguably become the de facto JavaScript module bundler, but it has a reputation for being confusing and difficult to learn. In this article, I want to present a faster, simpler webpack alternative —
.mjs とは何か、またはモジュールベース JS とエコシステムの今後 | blog.jxck.io
Intro 長いこと議論になっていた ES Modules の Node における扱いに一応の決着が付き、 .mjs という拡張子が採択された。 この拡張子の意味と、今後ブラウザと合わせて Universal JS を実装していく上での作法が見えてきたことになる。 合わせてエコシステムが対応していくことで、長年の夢だった JS のモジュール化を進めていくことができるだろう。 ES Modules 徐々に揃いつつある ES Modules(ESM) の仕様は TC39 で行われており、その仕様については主に以下のような部分になる。 import や export と行った構文 module 内はデフォルト strict mode module でスコープを閉じる module 内の this は undefined etc 逆に以下は TC39 での策定範囲外となる どう Module を読
ES2019: optional catch binding
The proposal “Optional catch binding” by Michael Ficarra is at stage 4 and therefore part of ECMAScript 2019. This blog post explains how it works. Overview # The proposal allows you to do the following: try { ··· } catch { ··· } That is useful whenever you don’t need the binding (“parameter”) of the catch clause: try { ··· } catch (error) { ··· } If you never use the variable error, you may as w
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GitHub - mikeal/rza: Create simple HTML elements
Abortable fetch | Blog | Chrome for Developers
Module Loaders: Master the Pipeline!
JSON is Not Cool Anymore: Implementing Protocol Buffers in Node.js – webapplog [tech blog]
GitHub - phenomnomnominal/ineeda: Mocking library for TypeScript and JavaScript using Proxies!
GitHub - mreinstein/snabby: Use HTML template strings with snabbdom.
Workbox Broadcast Cache Update | Workbox | Google Developers