GitHub - luwes/sinuous: 🧬 Light, fast, reactive UI libraryYou signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.
#tc39_study のアウトラインメモ
#tc39_study - connpassのアウトラインメモ。 littedan “how tc39 works ?” TC39のミーティング Q. QuickJSが中に入ってたけど、Implementationsとして認識される基準って何? A. 基準と特に決まってない。あえてぼかしてる。 Stage five by littledan · Pull Request #16 · tc39/process-document Q: microsoft がchakra coreをやめることで２つ以上のブラウザの実装に関してどう変わっていくの？ A. あんまりChakraCoreが新しいもの実装してなかったのであんまり変わらない Q. Feedbackって実際どうやってどういうふうに送るのがいいの? A. オープンなので色んな面のフィードバックあるといいと思うよ。 Leko Hashbang
GitHub - tc39/proposal-decorators: Decorators for ES6 classes
Decorators have three primary capabilities: They can replace the value that is being decorated with a matching value that has the same semantics. (e.g. a decorator can replace a method with another method, a field with another field, a class with another class, and so on). They can provide access to the value that is being decorated via accessor functions which they can then choose to share. They
Top-level await · V8
Top-level await enables developers to use the await keyword outside of async functions. It acts like a big async function causing other modules who import them to wait before they start evaluating their body. The old behavior #When async/await was first introduced, attempting to use an await outside of an async function resulted in a SyntaxError. Many developers utilized immediately-invoked async
GitHub - oframe/ogl: Minimal WebGL Library
Minimal WebGL library. See the Examples! OGL is a small, effective WebGL library aimed at developers who like minimal layers of abstraction, and are interested in creating their own shaders. Written in es6 modules with zero dependencies, the API shares many similarities with ThreeJS, however it is tightly coupled with WebGL and comes with much fewer features. In its design, the library does the mi
IME（全角）入力におけるjsイベント現状調査 - Qiita
この記事で対象としているブラウザはChrome(mac/win), Safari(mac), Firefox(mac/win), Edge(win) の最新バージョンで、以降これらをモダンブラウザと表記する。 tl;dr Safariで全角入力におけるJSイベントの挙動がおかしかったため調査したところ、仕様(draft含む)上はInputEventだけで判定できそうで期待したが、現状の挙動はベンダー毎に異なった 本命のinputEvent.isComposingはSafari/Edgeで対応してなかったりChrome/Firefoxでも挙動が違って使い辛い inputEvent.inputTypeは使える場面がありそう CompositionEventはモダンブラウザ全てに実装されており最も有用 inputイベントと組み合わせる場合はFirefoxのcompositionendイベントの発
Metronomes in JavaScript – Monica Dinculescu
My job nowadays involves a lot of music and JavaScript. You know what musicians really care about? Paychecks (support your local musicians, go to concerts, don’t steal music from indie musicians). But also: keeping time. Keeping time in JavaScript is kind of a joke, not just because time is a social construct (this is the Jenn Schiffer social engineering at work), but because it’s really easy to w
A lighter V8 · V8
In late 2018 we started a project called V8 Lite, aimed at dramatically reducing V8’s memory usage. Initially this project was envisioned as a separate Lite mode of V8 specifically aimed at low-memory mobile devices or embedder use-cases that care more about reduced memory usage than throughput execution speed. However, in the process of this work, we realized that many of the memory optimizations
How to build a plugin system on the web and also sleep well at night | Figma Blog
How do you run plugins with security, stability, and performance? Our pursuit for the perfect plugin solution, and how our approach helps us run Figma plugins in a safe way. Since we published this blog post, we decided to change our sandbox implementation to an alternative approach: compiling a JavaScript VM written in C to WebAssembly. As you'll see in the blog post below, it was one of several
How Web Content Can Affect Power Usage
Users spend a large proportion of their online time on mobile devices, and a significant fraction of the rest is users on untethered laptop computers. For both, battery life is critical. In this post, we’ll talk about factors that affect battery life, and how you, as a web developer, can make your pages more power efficient so that users can spend more time engaged with your content. What Draws Po
void in JavaScript and TypeScript
If you come from traditional, strongly typed languages you might be familiar with the concept of void: A type telling you that functions and methods return nothing when called. void exists in both JavaScript as an operator and in TypeScript as a primitive type. And in both worlds void works a little bit different than most people are used to. void in JavaScript # void in JavaScript is an operator
Promise.allSettled と Promise.any | blog.jxck.io
Intro Promise.allSettled() と Promise.any() の仕様策定が進んでいる。 両者は近いレイヤの仕様では有るが、作業の進捗には差がある。 Promise.allSettled は Stage 4 であり、 Chrome や Safari TP には実装もされている Promise.any は Stage 2 であり、実装はまだない ここでは、これらがあると何が嬉しいのかを Promise.all(), Promise.race() の特徴を踏まえて解説する。 Promise.all()/race() Promise.all(), Promise.race() は、いずれも複数の Promise をまとめて処理する Utility Method のようなものである。 all は全ての Promise が Resolve したら Resolve し、 race
Get started with GPU Compute on the web | Capabilities | Chrome for Developers
Background As you may already know, the Graphic Processing Unit (GPU) is an electronic subsystem within a computer that was originally specialized for processing graphics. However, in the past 10 years, it has evolved towards a more flexible architecture allowing developers to implement many types of algorithms, not just render 3D graphics, while taking advantage of the unique architecture of the
Richer offline experiences with the Periodic Background Sync API | Capabilities | Chrome for Developers
Have you ever been in any of the following situations? Riding a train or subway with flaky or no connectivity Been throttled by your carrier after watching too many videos Living in a country where bandwidth struggles to keep up with the demand If you have, then you've surely felt the frustration of getting certain things done on the web, and wondered why platform-specific apps so often do better
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GitHub - mapbox/pixelmatch: The smallest, simplest and fastest JavaScript pixel-level image comparison library
GitHub - Bin-Huang/prray: "Promisified" Array, it compatible with the original Array but comes with async versions of native Array methods
GitHub - gpujs/gpu.js: GPU Accelerated JavaScript
Android React Ntiveアプリの起動時間とメモリ使用量の大幅な削減が可能なFacebook Hermes
Sucrase
パッケージバンドリングの複雑さから開発者を開放する@pika/web
