Dev.Opera

Log in

  • Web
  • Add-ons
  • Mobile
  • TV
  • Labs
  • Opera extensions: options page

    By Chris Mills · Monday, November 22, 2010 23

    This article details how to use a new feature of Opera extensions called the options page. This is a page in the extension containing preferences the user can set, defined in an options.html file in the root of the extension zip. Read more…

  • Opera extensions developer workflow

    By Andreas Bovens · Monday, November 22, 2010 141

    In this short article, we’ll look at the developer workflow to create extensions, give some tips for extension development, and point out a couple of caveats. It also features text and a video explaining developer mode. Read more…

  • Introducing Web Sockets

    By Bruce Lawson · Monday, November 22, 2010 3

    The beta release of Opera 11 debuts our support for Web Sockets. In this article we will explain the background to Web Sockets, show why it is a cool feature, and give you some simple usage examples to get you up to speed. Read more…

  • A more accessible HTML5 <video> player

    By Ionut Colceriu · Thursday, November 11, 2010 44

    Cristian returns this week with another detailed look at custom HTML5 players! Following on from his last article, he shows us how to make a much more accessible, while still visually appealing, video player including WAI-ARIA support, captions, transcripts, and more. Read more…

  • A CSS-only scrollable timeline, Part 2

    By Ivan Ivanov · Wednesday, November 3, 2010 1

    Part 2 of Alexander Futekov's series shows how to spice up your horizontally scrolling timelines, with some interesting usage of CSS3 and improved cross-browser compatibility. Read more…

  • Gentle introduction to OAuth

    By Cosimo Streppone · Wednesday, November 3, 2010 2

    In this article, we give you a gentle but detailed introduction to OAuth, including how it works, what it means to both end users and developers, and some examples of how Opera has made use of it. Read more…

  • Opera extension code examples

    By Daniel Davis · Friday, October 29, 2010 14

    Many people find it easier to learn by example, so here are some snippets of code that create Opera extensions with basic functionality. Depending on what you'd like to create, you can choose one or more of these examples to use as the basis for your own extension. Read more…

  • Opera extensions: messaging

    By Shwetank Dixit · Wednesday, October 27, 2010 7

    With extensions, you have the ability to create and add exciting new functionality to the Opera desktop browser. As mentioned in other articles, Opera extensions contain a background script, an injected script, and sometimes popup script too. In this article, we will take a look at how to pass data between all three. Read more…

  • 1
  • …
  • 36
  • 37
  • 38
  • …
  • 85

Tools

  • Opera Developer builds
  • Web development extensions
  • Opera Mini Simulator
  • Opera TV Emulator
  • Opera Mobile Classic Emulator

Resources

  • Opera Developer News
  • Can I use... tables for Opera
  • Web Education Community Group Wiki
  • Opera questions on StackOverflow
  • GitHub repositories
  • Shiny Demos

Contribute

  • Submit articles

News and announcements

  • Opera for Android 20 beta released
  • Opera Next 20.0.1387.24 for the Cognoscenti
  • A small update to Opera 19
  • Opera Developer update &#8211; 20.0.1387.16
  • Opera 19 auto update is back again.

Twitter logo: contained in link to Opera Developer Relations team Twitter stream Opera Developer Network blog logo: contained in link to blog Calendar icon: contained in link to list of events being attended by the Opera Developer Relations team

© 2014 Opera Software ASA.

  • Help/FAQ
  • Terms of service
  • Privacy