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  • Opera extensions: options page

    By Chris Mills · Monday, November 22, 2010 22

    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 144

    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…

  • Opera extension code examples

    By Daniel Davis · Friday, October 29, 2010 12

    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 6

    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…

  • Getting started with Opera extensions

    By Andreas Bovens · Thursday, October 21, 2010 43

    Opera has added extensions to its desktop browser, and this article is a contextualized guide to our extensions development documentation. Read on and learn. Read more…

  • Hands-on tutorial: building an Opera extension

    By Daniel Davis · Thursday, October 21, 2010 14

    Creating an Opera extension is not difficult and to prove it, we show you how to build an extension that is both simple and practical. This tutorial shows how to add extra functionality to a page with JavaScript. Lots of example code is provided, as well as downloadable extensions at each stage. Read more…

  • What's in an Opera extension?

    By Chris Mills · Thursday, October 21, 2010 34

    Building a simple extension isn't a terribly difficult job, but what is actually going on under the hood? In this article we will look at the different parts of the Opera extensions architecture, how the different parts fit together, and what types of extensions you can hope to build. Read more…

  • Converting UserJS to Opera Extensions

    By Chris Mills · Thursday, October 21, 2010 13

    This article teaches you how to convert an Opera UserJS into an Opera extension. Read more…

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