Dev.Opera — A First Peek at Opera 15 for Computers
Hurrah! Hot on the heels of the release of Opera 14 for Android (based on Chromium 26), here’s a first peek at our all new Opera for Computers. It’s called Opera Next 15 and it’s based on Chromium 28 — which means that it comes with Blink on board — but as it’s an evergreen browser with a [URL=http://my.opera.com/desktopteam/blog/opera-features-and-release-cycle]fast release cycle[/URL], we don’t
Dev.Opera — Flexbox — Fast Track to Layout Nirvana?
IntroductionHTML and CSS is a great content delivery mechanism in many ways — it is easy to learn, flexible and powerful. One thing however that it has never excelled at is complex layouts. If you want to create a simple typographic essay layout with a floated image or two, then fine, but producing complicated multi column layouts has always been fiddly and hackish, and frustrating to get working
Dev.Opera — Extensions Come to Opera Mobile
When adding extensions support to our Presto engine back in 2010, a lot of time was spent behind the scenes so as to make our extensions framework very versatile and lightweight. Although the initial release was targeted for desktop only, every aspect of the extensions API was drafted with mobile in mind. Today, we're happy to present you with a Labs release of Opera Mobile with support for extens
Dev.Opera — ECMAScript 5.1 Support for Opera (Snapshot Build)
The Desktop Team has released an exciting update to Presto (Opera's rendering engine) and Carakan (Opera's JavaScript engine). Most notably, this snapshot includes full support for ECMAScript 5.1, the latest official version of the ECMAScript specification. In addition to adding all of the new built-ins and strict mode, we've fixed lots of minor spec compliance glitches and other bugs. To get a se
CSS3 の object-fit と object-position プロパティ - Dev.Opera
CSS3 の object-fit と object-position プロパティ Translated by Masataka Yakura · 3 May, 2011Published in: opera 11, css3, open web, japaneseThis is a translation of The CSS3 object-fit and object-position properties, written by Chris Mills. はじめに CSS でよくある問題に、やなどの置換要素のアスペクト比を制御するというものがあります。たとえば、アスペクト比の違うものが混ざってもそれが変形されないように、ページに画像を同じ大きさで並べたいという場合を考えてみましょう。画像を切り抜いたり無理やり変形させるよりも、アスペクト比を保ちながらリサイズし、レターボックス表示に
Creating Opera Speed Dial Extensions - Dev.Opera
Creating Opera Speed Dial Extensions By Daniel Davis · 3 May, 2011Published in: speed dial, javascript, config.xml, SpeedDialContext API, extensions Introduction Back in 2007, we introduced Speed Dial to the world. The concept proved extremely popular and similar implementations can now be found in other browsers as well. But as proud as we are, what kind of parents would we be if we didn't help o
Dev.Opera — Can Kestrels Do Math? MathML Support in Opera Kestrel
Can Kestrels Do Math? MathML Support in Opera Kestrel IntroductionAs the new Opera 9.5 takes shape, and you download new “weeklies” (keep checking the Opera desktop team blog for new weeklies,) there are a number of improvements and new features you will see. Most of them are listed in the changelogs when they are put into the build, and you find out about them when they are first released. But th
45: Objects in JavaScript - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. Previous article—JavaScript functions Next article—Traversing the DOM Table of contents Introduction The functions article that this follows introduced the concept of functions, teaching you how to better organize and reuse your code by grouping indiv
Presto 2.1 - web standards supported by Opera’s core - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. Presto 2.1 - web standards supported by Opera’s coreBy Bruce Lawson · 10 Sep, 2008Published in: aria, html, javascript, css, svg Introduction There are many Opera browsers, but each uses the same rendering engine, which is called Presto. You can be sur
Presto 2.2 and Opera 10 — a first look - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. Presto 2.2 and Opera 10 — a first lookBy Chris Mills · 4 Dec, 2008Published in: rgba, fonts, Web, selectors, svg Introduction As 2008 draws to a close, here at Opera we are excited to announce an early Christmas present for you all—a first look at our
Opera's Developer Relations Team - Opera 10.60 moves to the beta zone
8 March 2022 by Danny Yao in Blog By supporting the Opera Crypto Wallet, Dapp developers can gain access to millions of crypto users on Opera platform. To do so, Dapp developers need simply add a few lines of code to set up integration with the Opera Crypto Wallet. 23 January 2019 by Daniel Bratell in Blog Opera 58 (based on Chromium 71) for Mac, Windows, Linux is out! To find out what’s new for u
Opera Widgets SDK - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. Table of contents Introduction Getting started Documentation Mobile and cross device development Tools Libraries Working with web technologies Web sites Introduction To download the widgets SDK, use this link. Opera Widgets are cross platform and cross
Opera Dragonfly 入門 (Japanese) - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. この記事は「Introduction to Opera Dragonfly」の日本語訳です。 【翻訳：利部直、上廣剛、アンドレアス・ボーヴェンス】 はじめに エキサイティングなニュースです！Opera Dragonfly が発表されました！Opera Dragonfly は Opera の提供する全く新しいウェブ開発ツールです。このアプリケーションは、ウェブ標準のデバック環境と問題解決のための効果的な仕組みを開発者に提供する軽快でパワフルなアプリケーションです。現在、以下の機能が提供されています：
File I/O API for widgets - Opera Developer Community
LoginUser name: Password: Lost password? remember Sign upSign up now to post in the forums, comment on articles, submit your own articles and more. Note that you can find links to the API documentation, example downloads etc, here. The basics The File I/O API consists of three classes: FileSystem, File and FileStream. The FileSystem class is initialized as a singleton, and is available as opera.io
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Opera Speed Dial エクステンション（拡張機能）の作成 - Dev.Opera
Dev.Opera — Opera Dragonfly 1.0 Takes Its Maiden Flight
作成したサイトを Speed Dial 内で際立たせるには - Dev.Opera
Opera Dragonfly に関する日本語のフィードバックはこちらへどうぞ！ - Opera Developer Community
Dev.Opera — New Kestrel snapshot fixes Opera Dragonfly issues
Opera Widgets security model - Opera Developer Community