Recent Features
![5 HTML5 APIs You Didn’t Know Existed]()
5 HTML5 APIs You Didn’t Know Existed
When you say or read "HTML5", you half expect exotic dancers and unicorns to walk into the room to the tune of "I'm Sexy and I Know It." Can you blame us though? We watched the fundamental APIs stagnate for so long that a basic feature...
![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...
Incredible Demos
![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.
![Use Elements as Background Images with -moz-element]()
Use Elements as Background Images with -moz-element
We all know that each browser vendor takes the liberty of implementing their own CSS and JavaScript features, and I'm thankful for that. Mozilla and WebKit have come out with some interesting proprietary CSS properties, and since we all know that cementing standards...



