Recent Features
![CSS Animations Between Media Queries]()
CSS Animations Between Media Queries
CSS animations are right up there with sliced bread. CSS animations are efficient because they can be hardware accelerated, they require no JavaScript overhead, and they are composed of very little CSS code. Quite often we add CSS transforms to elements via CSS during...
![Detect DOM Node Insertions with JavaScript and CSS Animations]()
Detect DOM Node Insertions with JavaScript and CSS Animations
I work with an awesome cast of developers at Mozilla, and one of them in Daniel Buchner. Daniel's shared with me an awesome strategy for detecting when nodes have been injected into a parent node without using the deprecated DOM Events API.
Incredible Demos
![Create Short Preview from Video]()
Create Short Preview from Video
Displaying a preview image before loading a video is common practice with web media these days; oftentimes that image preview is the video's first frame or an important frame from the video. If you've visited an adult site recently (ahem), you will have noticed that not only do you get a preview image...
![Spatial Navigation]()
Spatial Navigation
Spatial navigation is the ability to navigate to focusable elements based on their position in a given space. Spatial navigation is a must when your site or app must respond to arrow keys, a perfect example being a television with directional pad remote. Firefox OS TV apps are simply...



