New Developer Features in Opera 11.50 Beta
This morning, we’ve released Opera 11.50 beta through our Next channel, and it comes with a number of interesting developer bits. Let’s have a look.
classList, you can easily add, remove, or toggle a class on an element, without the need for complex regex or libraries. The code to toggle a class is as simple as this:
You can then attach some styles to
#blinds.cover, and off you go. It even works nicely with CSS transitions, so you can create smooth page effects that are applied on the click of a button. For a simple example, see my
Session History & Navigation
Speed Dial extensions
And last but not least, we’ve further enhanced our Speed Dial extensions implementation. You can download the latest Speed Dial extensions from our extensions catalog, or build your own using our Speed Dial Extension developer introduction, which is now available not only in English, but also in German, Simplified Chinese, Russian, Bahasa Indonesia, Spanish, Vietnamese, Brazilian Portuguese and Japanese. In the video below, Arnstein explains how easy it is to build one.
Note: due to a caching issue, Opera Dragonfly stops working from time to time. In order to resolve this and continue debugging, clear up your cache and refresh. Of course, we’re working on a fix for this, so this should only be a temporary annoyance.