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Dev Opera is a community resource site where developers can share tips, tricks, extensions and more. This is the place where ideas are born, so contribute today! More in the forums...
XFN encoding, extraction, and visualizations
By Brian Suda · 21 Feb, 2008
The XFN microformat is a great way to mark up HTML to describe the relationships you have with people you know, but what can you actually do with that data once you and your friends have put it up on the web? Brian Suda explores this in depth in this article.
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CSS text shadows and background sizing
By Christopher Schmitt · 21 Feb, 2008
In this article Christopher Schmitt explores a couple of great new CSS design properties available in CSS3 - text-shadow for creating drop shadows, and background-size for automatically resizing background images as the browser window changes size. Exciting stuff indeed!
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Persisting widget data across platforms and devices using Opera's XML store
By Morten Haraldsen · 7 Feb, 2008
The Opera XML Store is great new way to persist widget data across platforms and devices. Want to learn more? Read on!
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Accessible Context-sensitive Help with Unobtrusive DOM Scripting
By Frank M. Palinkas · 7 Feb, 2008
This article demonstrates two methods of calling context-sensitive help in a web form, in an accessible manner, using unobtrusive DOM scripting.
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The first working draft of HTML 5 is here!
By Anne van Kesteren · 23 Jan, 2008
The first working draft of HTML 5 is here! In this article, Anne van Kesteren takes a look at the release and what it means for the future of the Web, and provides links to some of the best in-depth resources available.
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Progressive Enhancement and the Yahoo! User Interface Library (YUI)
By Christian Heilmann · 27 Sep, 2007
As a web developer, you'll know exactly how annoying it can be getting your sites to work consi...
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Opera Widgets Specification 1.0
By Opera Software · 30 Apr, 2007
The Widget specification Opera's implementation uses. ...
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Using animateMotion in SVG
By DesertDawg · 19 Jan, 2007
SVG takes to the sky. This overview shows an example with variations on how to move heavenly ob...
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XHTML+Voice By Example
By Jonny Axelsson · 4 Jan, 2007
How to create simple voice-enabled web pages using XHTML+Voice. The first part of an introducti...
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Opera Widgets Resources
By Opera Software · 4 Dec, 2006
Ready to use graphics and templates for Widget production....
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Efficient JavaScript
By Mark 'Tarquin' Wilton-Jones · 2 Nov, 2006
As Web pages become more like applications, the performance of scripts is having a bigger effec...
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