Dev.Opera

3 August 2015 by Bruce Lawson in Articles

Developer PPK called for a moratorium on new browser features. We explain why we disagree.

24 July 2015 by Shwetank Dixit in Articles

You can now make animated themes in Opera. This guide tells you how.

3 June 2015 by Bruce Lawson in Articles

How to make websites that work well on Opera Mini—and everywhere else!

2 June 2015 by Andreas Bovens in Articles

The Opera browser is available on a wide range of platforms, in a number of flavors with different modes, engines and levels of standards support. As things can get somewhat confusing, we decided to create a simple product overview that details some of these technical differences.

26 May 2015 by Chris Lowis in Articles

Learn the basics of the Web Audio API by creating some classic electronic drum sounds.

20 May 2015 by Simon Pieters in Articles

Which element scrolls the viewport when using scrollTop? This article explains what “the scrollTop bug” is and what we need to do to get it fixed. Your help is needed!

18 May 2015 by Shwetank Dixit in Articles

Worldreader is a non-profit organization providing free digital book people in developing countries. I got to ask their team a few questions regarding their fascinating work in developing countries

11 May 2015 by Brian Kardell in Articles

To evolve the web and compete with native, we need a way to innovate and iterate faster — the Extensible Web principles, which have brought us Service Worker and Web Components. Project Houdini looks at how we can bring extensibility to CSS, too.

22 April 2015 by Sayanee Basu in Articles

The Internet of Things is gaining momentum in the recent years as more embedded devices are being connected to the Internet. What does this mean for the web developers? This article explores 2 common wireless protocol, Wi-Fi and BLE, and gives practical examples to start playing with them with JavaScript and some sensors.

9 April 2015 by Heydon Pickering in Articles

aria-label is a useful tool to ensure a good user experience for assistive technology users, elevating your design from merely technically compliant to well signposted and usable.

23 March 2015 by Patrick H. Lauke in Articles

You can check input device capabilities with Media Queries Level 4… but first, you should understand their current limitations

3 March 2015 by Bram Stein in Articles

Typography has a long and rich history, but much has been lost in the transition to the web. Let’s take a look at some of the features we need for an optimal and beautiful reading experience.

24 February 2015 by Tomomi Imura in Articles

In this article, Tomomi explores how to build a simple notification web app using PubNub’s Data Stream Network and the W3C Web Notifications API.

28 January 2015 by Andreas Bovens in Articles

In early December 2014, we invited the team behind the fantastic WebRTC-powered appear.in video chat service for a 1-day workshop in Opera’s Oslo office, and, among other things, we came up with three cool appear.in extensions.

28 October 2014 by Krasimir Tsonev in Articles

Krasimir Tsonev dreams about the perfect JavaScript framework, and shares his thoughts on what it would look like and how it would be designed.

14 October 2014 by Vlad Filippov in Articles

Vlad Filippov found a way to run the Opera Mini Android application on Chrome OS.