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Recent Features

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    Page Visibility API

    One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?

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    Write Better JavaScript with Promises

    You've probably heard the talk around the water cooler about how promises are the future. All of the cool kids are using them, but you don't see what makes them so special. Can't you just use a callback? What's the big deal? In this article, we'll...

Incredible Demos

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    Control Element Outline Position with outline-offset

    I was recently working on a project which featured tables that were keyboard navigable so obviously using cell outlining via traditional tabIndex=0 and element outlines was a big part of allowing the user navigate quickly and intelligently. Unfortunately I ran into a Firefox 3.6 bug...

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    Animated Progress Bars Using MooTools: dwProgressBar

    I love progress bars. It's important that I know roughly what percentage of a task is complete. I've created a highly customizable MooTools progress bar class that animates to the desired percentage. The Moo-Generated XHTML This DIV structure is extremely simple and can be controlled...

Discussion

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