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Monthly Archives: January, 2012

CSS & SVG

With the addition of CSS transitions and transforms, web developers can create interactive content with relatively simple markup. Understanding how to use these features with SVG, which has its own transform and animation systems, can be a little difficult. For example, let’s take a look at a simple interactive element, which animates its color and... Continue reading →

HTML5 Image Progress Events

Suppose you want to display the download progress of high-resolution images in a medical imaging application or an HTML5 game. Currently, this is a little harder than it should be in HTML5/JavaScript. A common approach goes like this: Download the image data by creating an XMLHttpRequest (XHR). Update a progress bar by handling the XHR’s progress... Continue reading →