GitHub - Automattic/browser-repl: Launch a repl on your command line to any browser in the cloud.You 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. Dismiss alert
Home — Marius Schulz
How to configure familiar keyboard shortcuts for common navigation and edit actions in the iTerm2 command prompt, such as jumping to the start or end of a word or line. TypeScript 3.7 implemented support for assertion functions in the type system. An assertion function is a function that throws an error if something unexpected happened. Using assertion signatures, we can tell TypeScript that a fun
ServiceWorker & the offline web // Speaker Deck
Offline is the new frontier for those building on the web. The things we build have become more complex, beyond what anyone could have envisioned when the web was invented or in its early years, and delivering “app-like” experiences with always available data is vital. Currently, we take the user’s connection for granted: “they’ll be on wifi, or 3G… probably, won’t they? And if they aren’t, well,
MessageEventコンストラクタとpostMessageとWeb messagingについて
MessageEventって何? MessageEvent というのは、server-sent events, Web sockets, cross-document messaging, channel messaging, broadcast channels などで使われてる、データをやり取りとりするときに使われてるEventの一種です。 よく見かけるのだと、 window.postMessage で渡されるeventは MessageEvent という型になってます。(WebWorkerとかとやりとりするときもこれですね) MessageEvent型のオブジェクトは以下のようなプロパティを持ってます。 data データ本体(仕様ではanyとなってるので配列とかも渡せます) origin データ送信元のオリジン(targetOriginで指定されたやつ) lastEventId この
enable cross-origin resource sharing
Cross-Origin Resource Sharing (CORS) is a specification that enables truly open access across domain-boundaries. If you serve public content, please consider using CORS to open it up for universal JavaScript/browser access. [more...] Why is CORS important? JavaScript and the web programming has grown by leaps and bounds over the years, but the same-origin policy still remains. This prevents JavaSc
CasperJSで気軽にJSのテストできる - hitode909の日記
ウェブアプリケーションのJSのテストするのにCasperJS使ったら便利だった． CasperJSはPhantomJSにテスト用ユーティリティがついて便利になったやつ． JS，MVCできれいに書いてると，Modelの単体テストとかできるけど，昔ながらの感じだと，ここをクリックしたらこれが表示されること，みたいなテストを書くことになる．けどライブラリとかいろいろあってどれを使えばよいか分からなくて敷居が高い．CasperJSを使ったらこれだけで完結してテスト書ける． PhantomJSは単なるブラウザだけど，CasperJSはテストのフレームワークとか，DOMのテスト関数とかがついてる． 非同期なタスクの実行の仕組みも入ってて，casper.thenっていうのを順番に書いていくと，順番に呼んでくれて，click()して，casper.thenしたら，ページ遷移したら次のページに移動してる．ス
DalekJS - Automated cross browser testing with JavaScript
DalekJS is an open source UI testing tool written in JavaScript, it will: launch & automate your browserfill & submit formsclick & follow linkscapture screenshotsrun your functional tests… and it works on Windows, Linux & Mac QuickstartCreate a package.jsonInstall DalekJSWrite your first testRun this beast!
The "When Can I Use" Web Widget
Show Up To Date Browser Compatibility Information In Your Articles Just 4kb! Download Now! If you've ever written an article about HTML5 web technologies, you'll appreciate how important it can be to inform your readers which browsers the technology works with. The "When Can I Use" Web Widget provides authors with the ability to include up to date information about browser support for a feature th
Announcing SunSpider 1.0
The popular SunSpider JavaScript benchmark suite was originally released by the WebKit team over five years ago, in December 2007. It was engineered to be a balance of real JavaScript code from the web, and to serve as a blueprint for the sorts of language-level operations that the WebKit JavaScript engine should, but was as yet unable to, optimize. And optimize we did: intriguingly, the original
Web Platform Daily
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https://github.com/chaijs/chai/blob/master/karma.sauce.js
GitHub - browserify/vm-browserify: require('vm') like in node but for the browser
GitHub - filerjs/filer: Node-like file system for browsers
GitHub - sdesalas/trifleJS: Headless automation for Internet Explorer
http://www.browserswarm.com/
bower/CHANGELOG.md at master · bower/bower
shwups-cms.ch
GitHub - dunxrion/console.image
Performance Dashboards
Intent to Ship: Long Task API - Google Groups