Recent Features
![CSS vs. JS Animation: Which is Faster?]()
CSS vs. JS Animation: Which is Faster?
How is it possible that JavaScript-based animation has secretly always been as fast — or faster — than CSS transitions? And, how is it possible that Adobe and Google consistently release media-rich mobile sites that rival the performance of native apps? This article serves as a point-by-point...
![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
![Fullscreen API]()
Fullscreen API
As we move toward more true web applications, our JavaScript APIs are doing their best to keep up. One very simple but useful new JavaScript API is the Fullscreen API. The Fullscreen API provides a programmatic way to request fullscreen display from the user, and exit...
![afterscriptexecute Event]()
afterscriptexecute Event
Fellow Mozillian Daniel Buchner, curator of the X-Tag project and clever developer who showed us how to detect dom node insertions using CSS animations, recently showed me a new JavaScript feature I'd never heard of: the
SCRIPTelement's afterscriptexecute event.

