DOM Articles
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Firefox 4: Better performance with Lazy Frame Construction
This is a re-post from Timothy Nikkel’s blog. Lazy Frame Construction is new to Gecko and allows many DOM operations (appendChild, insertBefore, etc) to not trigger immediate reflows. This can vastly improve the interactive performance of very complex web pages. If you want to test this out, you should get a Firefox Nightly. Lazy frame […]
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multiple file input in Firefox 3.6
Firefox 3.6 supports multiple file input. This new capability allows you to get several files as input at once, using standard technologies. This is a big improvement, since you used to be constrained to one file at a time, or needed to use a third party (proprietary) application. This will be particularly useful, for example, […]
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arun talks about html5, fonts and india
Recently Arun Ranganathan, one of the members of the Mozilla Evangelism team, created a video for MozCamp Mumbai. It’s about 20 minutes long and he covers a huge number of topics: the new @font-face CSS property and how it affects the ability for people to receive properly localized content, the differences between the various standards […]
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HTML5 drag and drop in Firefox 3.5
This post is from Les Orchard, who works on Mozilla’s web development team. Introduction Drag and drop is one of the most fundamental interactions afforded by graphical user interfaces. In one gesture, it allows users to pair the selection of an object with the execution of an action, often including a second object in the […]
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css transforms: styling the web in two dimensions
One feature that Firefox 3.5 adds to its CSS implementation is transform functions. These let you manipulate elements in two dimensional space by rotating, skewing, scaling, and translating them to alter their appearance. I’ve put together a demo that shows how some of these functions work. There are four animating objects in this demo. Let’s […]
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using web workers: working smarter, not harder
This article is written by Malte Ubl, who has done a lot of great work with using Web Workers as part of the bespin project. In recent years, the user experience of web applications has grown richer and richer. In-browser applications like GMail, Meebo and Bespin give us an impression of how the web will […]
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exploring music with the audio tag
Today’s demo comes to us from Samuel Goldszmidt. He’s a web developer specializing in audio applications at Institut de Recherche et Coordination Acoustique/Musique (IRCAM). IRCAM is a European institute covering science, sound and avant garde electro-acoustical art music. The demo uses XML to describe the various segments of a piece of music – Florence Baschet’s […]
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the script defer attribute
This post is by Olivier Rochard. Olivier does research at Orange Labs in France. In HTML, the script element allows authors to include dynamic script in their documents. The defer attribute is boolean attribute that indicates how the script should be executed. If the defer attribute is present, then the script is executed when the […]
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saving data with localStorage
This post was written by Jeff Balogh. Jeff works on Mozilla’s web development team. New in Firefox 3.5, localStorage is a part of the Web Storage specification. localStorage provides a simple Javascript API for persisting key-value pairs in the browser. It shouldn’t be confused with the SQL database storage proposal, which is a separate (and […]
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DOM Traversal in Firefox 3.5
Firefox 3.5 includes new support for two W3C DOM traversal specifications. The first, the Element Traversal API, focuses on making element-by-element traversal easier, the second, the NodeIterator interface which makes finding all node types much easier. Element Traversal API The purpose of the Element Traversal API is to make it easier for developers to traverse […]