New Interaction Behaviors in iOS 10
Last year we published a blog post about getting more responsive tapping on iOS. With the release of iOS 10, we’ve made some minor adjustments to the behavior of our fast tapping, and an important change to a very common user interaction: pinch zooming. Fast Tapping A common complaint on iOS 9 and earlier was that events triggered by a user tapping the screen were slightly delayed. This was becaus
Enhanced Editing with Input Events
Today, the easiest way to create a rich text editor on the web is to add the contenteditable attribute to an element. This allows users to insert, delete and style web content and works great for many uses of editing on the web. However, some web-based rich text editors, such as iCloud Pages or Google Docs, employ JavaScript-based implementations of rich text editing by capturing key events using
151937 – [META] Implement fetch API
(In reply to comment #2) > I see this changeset from three weeks ago: > > http://trac.webkit.org/changeset/195954 > > but Nightly isn't yet exposing fetch on window. Is there a roadmap for this, > or does it need to be enabled in some way to test it out? Thanks. Hi, Fetch is not yet implemented. Fetch API is not yet implemented. Request and Headers constructs are being exposed. The roadmap is to e
Updating Our Prefixing Policy
When implementing new features for the Web, it’s important for us to be able to get them into the hands of developers early, so they can give new things a try. (Of course, this also helps us identify and fix bugs!) In the past, browsers did this by using vendor-prefixed names for features. This was intended to protect the Web from the churn of spec and implementation changes. Browsers would eventu
10 Years of Web Inspector
Ten years ago today we introduced the first version of Web Inspector to the world. That time was the wild west of web development, when your best debugging aid was alert(). While the earliest version of Web Inspector was limited (it didn’t even have a console), it did expose two things that developers didn’t have much insight into — the DOM tree and matching style rules. Web Inspector being open s
More Responsive Tapping on iOS
WebKit on iOS has a 350 millisecond delay before single taps activate links or buttons. WebKit has this delay because we also allow users to double tap to zoom, which is a great way to zoom in on content that is well-sized for large desktop displays, but appears too small on mobile devices. However, when a user has tapped once, WebKit cannot tell if the user intends on tapping again to trigger a d
Introducing Slot-Based Shadow DOM API
We’re pleased to announce that basic support for the new slot-based shadow DOM API we proposed in April is now available in the nightly builds of WebKit after r190680. Shadow DOM is a part of Web Components, a set of specifications that were initially proposed by Google to enable the creation of reusable widgets and components on the Web. Shadow DOM, in particular, provides a lightweight encapsula
JavaScript Type and Code Coverage Profiling
Web Inspector now has two great tools designed to make debugging JavaScript programs easier: the Code Coverage Profiler and the Type Profiler. The Code Coverage Profiler visually displays exactly which sections of your JavaScript program have executed. The Type Profiler visually annotates important variables with the collected set of type information for those variables. Both tools make understand
Androidアプリセキュリティ 〜Webサイト閲覧でroot権限を取得されてしまう脆弱性(1)〜 | Remote TestKit
Androidのブラウザ(図中ではWebkitと記載)の脆弱性を利用して相手の端末の管理者権限を取得されてしまうのはどういった仕組みで起きるのかについて解説します。 「○○○の脆弱性により任意のコードが実行される可能性があります」といった文章を一度は見たことがあると思います。 しかし、実際にどのような流れで任意のコードが実行されるのか？読者の皆さんはイメージできるでしょうか？ 今回説明するのは、Androidのブラウザ(図中ではWebkitと記載)の脆弱性を利用して相手の端末の管理者権限を取得する、という少し過激な内容です。 読者の皆様、特にAndroidアプリケーション開発技術者の方々に、今回の記事を通して少しでもセキュリティに興味を持っていただき、セキュアなアプリケーション開発のヒントになればと思います。 1．全体の流れ 遠回りになっていまいますが、まずは、「Android端末からWe
WebKit サーバーというものを作ってみた - IT戦記
みなさん お久しぶりですヽ(´ー｀)ノ夏休みの宿題終わりました？ 毎日が夏休みの最終日みたいな生活してるあまちゃんです！ さてさて 今日は WebKit サーバーというものを作ってみたので、紹介してみます。 WebKit って何？ WebKit っていうのは Chrome や Safari の中に入ってるブラウザのエンジンのことです！ 実はブラウザっていうのは、エンジン部分と見た目の部分（タブとかボタンとかね）に別れていて、意外と違うブラウザでもエンジン部分は同じものを使ってるってことも多いんですよ(*´ー｀) ブラウザのサーバーってどういうこと？ 要は、サーバーサイドでブラウザを起動して JavaScript を実行したり、 JavaScript が実行されないと読めないページから値を持ってくるのに使ったりしようという魂胆です。 今まではそういうのなかったの？ 実は、今までは JavaS
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