JavaScript needs more helper functions for iteration (map, filter, etc.) – where should we put them?
JavaScript needs more helper functions for iteration (map, filter, etc.) – where should we put them? Iteration is a standard that connects operations with data containers: Each operation that follows this standard, can be applied to each data container that implements this standard. In this blog post: We first explore three questions: How does JavaScript’s iteration work? What are its quirks? What
V8 release v9.3 · V8
Every six weeks, we create a new branch of V8 as part of our release process. Each version is branched from V8’s main Git branch immediately before a Chrome Beta milestone. Today we’re pleased to announce our newest branch, V8 version 9.3, which is in beta until its release in coordination with Chrome 93 Stable in several weeks. V8 v9.3 is filled with all sorts of developer-facing goodies. This po
Vue.js has been selected as Wikimedia Foundation's future JavaScript framework - Wikitech-l - lists.wikimedia.org
Hi all, With excitement we're sharing today that Vue.js is Wikimedia Foundation's official choice for adoption as future JavaScript framework for use with MediaWiki. The evaluation of front-end frameworks officially started mid 2019, as part of the Platform Evolution program’s goal to evolve our technology platform and development processes to empower the Wikimedia Movement[0]. The corresponding T
Reactハンズオンラーニング 第2版
Facebookが開発したJavaScriptライブラリ「React」の解説書。2013年にオープンソース化されたReactですが、ここ数年で大きな変更が加えられ、またReactを取り巻くエコシステムも大きく変化しました。本書では実際に動くコンポーネントを作りながら、最新のReactの記法について解説しつつ、最新のツールやライブラリも紹介します。初心者から中上級者まで、Reactの今をすばやく学習することができます。 賞賛の声 まえがき 1章 Reactの世界へようこそ 1.1 本書のねらい 1.2 Reactの過去と未来 1.2.1 第2版の変更点 1.3 環境の構築 1.3.1 GitHubリポジトリ 1.3.2 React Developer Tools 1.3.3 Node.jsのインストール 2章 React学習に必要なJavaScriptの知識 2.1 変数の定義 2.1.1
GraphQLクライアントにurqlをおすすめしたい
GraphQLのクライアントといえばApollo Clientが使われることが多いと思いますが、urqlというクライアントをおすすめする記事です。 TL;DR urqlのドキュメントキャッシュはApolloみたいなキャッシュ管理が要らなくて楽だからおすすめ ドキュメントキャッシュは、Mutationの __typename を見て汚れたキャッシュを捨てる仕組み Mutationのあと refetchQueries やってるならそれはurqlが自動でやってることと同じ なぜurqlをおすすめするのか この記事ではurqlのドキュメントキャッシュというキャッシュを仕組みだけを紹介します。雑に言うと、Apolloの正規化されたキャッシュより多少効率は落ちるものの煩雑な正規化されたキャッシュの管理から解き放たれるというものです。Apolloのキャッシュの管理に疲れた人にめちゃくちゃおすすめですし、
Optimizing JavaScript Standard Library Functions in JSC
After three years working on JavaScriptCore (JSC), I recently had the opportunity to work on optimizing one of our standard library functions for the first time. I thought it’d be interesting to share what I learned about how they work in JSC and how we make them faster. How are standard library functions implemented in JSC? The JavaScript standard library functions include all the prototype funct
Recoil 0.4 | Recoil
We are pleased to announce the release of Recoil 0.4 with configurable selector caches, improved API for transactions with multiple atoms, and other optimizations and fixes. Configurable selector cachesThe new cachePolicy_UNSTABLE property in selectors and selector families allows you to configure the caching behavior of a selector's internal cache. This property can be useful for reducing memory
Release 3.16.0 - 2021.07.30 · zloirock/core-js
Array find from last proposal moved to the stage 3, July 2021 TC39 meeting Array filtering stage 1 proposal: Array.prototype.filterReject replaces Array.prototype.filterOut %TypedArray%.prototype.filterReject replaces %TypedArray%.prototype.filterOut Added Array grouping stage 1 proposal: Array.prototype.groupBy %TypedArray%.prototype.groupBy Work with symbols made stricter: some missed before cas
Headless UI v1.4: The One With Tabs
We just released Headless UI v1.4, which includes a brand new Tab component, and new APIs for manually closing Popover and Disclosure components more easily. Tabs Earlier this year we started working on Tailwind UI Ecommerce, and we realized pretty quickly we were going to need to support tabs in Headless UI to be able to build the new interfaces we were designing. import { Tab } from '@headlessui
How to Eliminate Render-Blocking Resources: a Deep Dive
You might be here because Lighthouse told you to "eliminate render-blocking resources". Render-blocking resources are a common hurdle to rendering your page faster. They impact your Web Vitals which now impact your SEO. Slow render times also frustrate your users and can cause them to abandon your page. I worked with one client to reduce their render-blocking resources and improved their site load
HTML Standard
4.12 Scripting4.12.1 The script element4.12.1.1 Processing model4.12.1.2 Scripting languages4.12.1.3 Restrictions for contents of script elements4.12.1.4 Inline documentation for external scripts4.12.1.5 Interaction of script elements and XSLT4.12.2 The noscript element4.12.3 The template element4.12.3.1 Interaction of template elements with XSLT and XPath4.12.4 The slot element4.12 Scripting Scri
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Release V1.1.0 - Interrupting Cow · solidjs/solid
feat(plugin): Groundwork for rust plugin system by kdy1 · Pull Request #1893 · swc-project/swc
GitHub - crcn/sift.js: Use Mongodb queries in JavaScript
Release Version 16.7.0 · jsdom/jsdom
GitHub - arcanis/clipanion: Type-safe CLI library / framework with no runtime dependencies
GitHub - unjs/ufo: 🔗 URL utils for humans
GitHub - BlueBlazin/thislang: A subset of javascript implemented in that subset of javascript.
Define self.structuredClone() · whatwg/html@1b5099f
GitHub - actuallyakash/spacers: 🔳 when you need more __space__. Quick margin/padding for your no-code tools.
