Dev.Opera

Log in

  • Web
  • Add-ons
  • Mobile
  • TV
  • Labs
  • RuleOptions.thirdParty

    By Opera Software · Wednesday, May 16, 2012 6

    Read more…

  • RuleOptions.resources

    By Opera Software · Wednesday, May 16, 2012 8

    Read more…

  • RuleOptions.includeDomains

    By Opera Software · Wednesday, May 16, 2012 8

    Read more…

  • RuleOptions.excludeDomains

    By Opera Software · Wednesday, May 16, 2012 7

    Read more…

  • Desktop build with new extension APIs: Screenshot, Resource Loader and URL Filter

    By Chris Mills · Wednesday, May 16, 2012 213

    We've been working hard recently to improve the functionality available inside Opera extensions, and today we are proud to reveal some of the fruits of our labours. In this article we'll share with you some new experimental desktop builds that feature three new extension APIs: the screenshot API, the resource loader API, and several updates to the URL filter API. Read more…

  • opera.extension.urlfilter.allow.add()

    By Opera Software · Wednesday, May 16, 2012 6

    Read more…

  • Opera Mobile Emulator build with experimental WebKit prefix support

    By Bruce Lawson · Friday, April 27, 2012 29

    Through our site compatibility work, we have experienced that many site authors only use -webkit- prefixed CSS, thereby ignoring other vendor prefixes and not even including an unprefixed equivalent. This leads to a reduced user experience on non-WebKit browsers, as they don't receive the same shiny effects, even although they support them. To tackle this problem, we are releasing an experimental Opera Mobile Emulator build with experimental support for selected -webkit- prefixes. Read more…

  • Windows & Tabs API

    By Opera Software · Thursday, April 26, 2012 34

    Read more…

  • 1
  • …
  • 10
  • 11
  • 12
  • …
  • 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 – 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