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Service Worker - first draft published
The first draft of the service worker spec was published today! It's been a collaborative effort between Google, Samsung, Mozilla and others, and implementations for Chrome and Firefox are being actively developed. Anyone interesting in the web competing with native apps should be excited by this. Update: Is ServiceWorker ready? - track the implementation status across the main browsers. So, what
ractivejs.org - このウェブサイトは販売用です！ - ractivejs リソースおよび情報
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PyPy.js: Now faster than CPython
OK OK, I couldn't resist that title but it probably goes a bit far. Let me try for a little more nuance: PyPy.js: Now faster than CPython, on a single carefully-tuned benchmark, after JIT warmup. It has been the better part of a year since I first started hacking on PyPy.js, an experiment in bringing a fast and compliant python interpreter to the web. I've been pretty quiet during that time but ha
How to code JavaScript using Bootstrap best practices? | Theodo
Bootstrap was created at Twitter in mid-2010 by [@mdo](https://twitter.com/mdo) and [@fat](https://twitter.com/fat). It provides a lot of UI plugins easy to implement. You've probably already used it but have you looked at how it worked? Together, we will try to make another plugin using the same best practices as Twitter. Through this tutorial I will introduce some JavaScript concepts like protot
Navigation Timingだからできる、Webアプリを俯瞰したパフォーマンス計測(1/3)
Navigation Timingだからできる、Webアプリを俯瞰したパフォーマンス計測(1/3) 川田寛（ピクシブ株式会社） こんにちは、html5jパフォーマンス部、スタッフの川田です。5月8日ですが、私たちのコミュニティ主催で勉強会を開催することになりました！！ そして、残念なお知らせです。募集した直後に、席が埋まってしまいました！せっかく、これだけ多くの方にパフォーマンスへ興味を持っていただいたのに、このままじゃもったいない！ なので本記事では、この勉強会で語られない、別の切り口からパフォーマンスについて語ってみようかと思います。内容は、私が技術評論社「Software Design 2014年5〜7月号」にて連載しております、「Web標準技術で行う、Webアプリのパフォーマンス改善」で扱っているテーマの一部を、Web向けに書き直したものです。 Webアプリのパフォーマンス計測は簡
Modern JavaScript Applications: Design Patterns
Modern JavaScript Applications: Design PatternsAI-enhanced description The document covers modern JavaScript application development, focusing on achieving well-structured code through various methods such as object-oriented programming, module patterns, and MVC frameworks. It discusses key principles like dependency management, design patterns, and the importance of separating concerns in code st
超会議3の超チューニング祭の感想
さて、超チューニング祭が終わったので、感想を書こうと思う。すでに、参加者の中で、感想を書いている人もいる。 レポート - 超チューニング祭で努力賞(最速賞)をとるためにやったこと - Qiita ニコ動 超チューニング祭で最優秀賞もらいました 超チューニング祭に参加した - masarakki's blog JavaScript - 超チューニング祭に参加＆表彰した - Qiita kmizu/slide_cho_tuning また、いつの間に行ったのか、優勝者に取材したところもあるらしい。 『ニコ超3』の超チューニング祭で、“創世神”戀塚昭彦氏を上回ったカップルが見せたバランス感覚 - エンジニアtype さて、筆者の視点からみた超チューニング祭はどうだったか。 そもそも、私がスタッフとして配置されるブースは、超時空ニコニコ研究所であるはずだった。しかし、超会議にさかのぼること三週間前、
Technical and Social Progress Toward ECMAScript 6 at Facebook
technical and social progress toward ECMAScript 6 at facebook Ben Newman (Facebook) NodeJS @ Pivotal Labs 19 March 2014 { github, twitter, instagram, facebook }.com/benjamn Wikipedia titlecapitalization.com We have the opportunity, as technologists, to make certain kinds of problems disappear forever. “We should have been doing it this way all along!” GitHub is strewn with better ways of doing thi
The JavaScript Problem - HaskellWiki
The problem The JavaScript problem is two-fold and can be described thus: JavaScript, the language. JavaScript, the language, has some issues that make working with it inconvenient and make developing software harder : lack of module system (only pre-ES6), weak-typing, verbose function syntax1 (pre-ES6), late binding2, which has led to the creation of various static analysis tools to alleviate thi
Better Javascript Promises
This is a repost of an old article from 2014 that was lost in a blog migration but I think is still relevant. It shows how differently the javascript promise problem could have been solved. This was written before async await became a thing, and before the function coloring problem was given its name. This proposal would have solved the promise problem without the coloring, but alas, it wasn't lik
dirty check について調べてみた - need something more...
はじめに 自分は普段 Backbone.js や Angular.js を書く機会はあまりありません。 Backbone.js、Angular.js についてはかじった程度、Ember.js についてはほとんど知りません。 なので理解不足な部分があると思います。よろしければツッコミをお願いします。 この記事の対象となる Angular.js のバージョンは最新の安定版 v1.2.16 です。 この記事の大部分は Angular.js について書かれていますが、基本的に Node.js や JavaScript Engine v8 についての興味から書かれたものです。 tl; dr ざっくり言うと dirty check とは object の状態を記録して、特定のキッカケを元に変更をチェックする仕組みである パフォーマンスの懸念もあるが、人間の体感速度などを加味し、Angular.js で
Contractual - Design by contract for JavaScript.
Unobtrusive, backwards compatible syntactic sugar for Design by contract in JavaScript. What? Design by contract is a very powerful technique for writing robust software, it can be thought of as a formal but convenient method for specifying assertions. Instead of the developer documenting their assumptions in comments, or worse, not documenting them at all, DbyC gives them a way to express their a
Debugging asynchronous JavaScript with Chrome DevTools | Blog | Chrome for Developers
Introduction A powerful feature that makes JavaScript unique is its ability to work asynchronously via callback functions. Assigning async callbacks let you write event-driven code but it also makes tracking down bugs a hair pulling experience since the JavaScript is not executing in a linear fashion. Luckily, now in Chrome DevTools, you can view the full call stack of asynchronous JavaScript call
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Valib.js - validation library for the browser and Node.js.
WebDirections Code 2014: Asynchronous JavaScript Patterns (@rvagg)
NYT: Authorities hid radioactive plume forecasts to avoid evacuations, officials reveal — Mayor says akin to “murder” « Enenews.com
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GitHub - trevorlinton/webkit.js: Pure JavaScript Port of WebKit
ripple.js - A framework for creating reactive components