Recent Features
![JavaScript Promise API]()
JavaScript Promise API
While synchronous code is easier to follow and debug, async is generally better for performance and flexibility. Why "hold up the show" when you can trigger numerous requests at once and then handle them when each is ready? Promises are becoming a big part of the JavaScript world...
![6 Things You Didn’t Know About Firefox OS]()
6 Things You Didn’t Know About Firefox OS
Firefox OS is all over the tech news and for good reason: Mozilla's finally given web developers the platform that they need to create apps the way they've been creating them for years -- with CSS, HTML, and JavaScript. Firefox OS has been rapidly improving...
Incredible Demos
![Create a 3D Animating Sidebar]()
Create a 3D Animating Sidebar
Mozilla's Christian Heilmann is an evangelist that knows how to walk the walk as well as talk the talk. You'll often see him creating sweet demos on his blog or the awesome Mozilla Hacks blog. One of my favorite pieces...
![Chris Coyier’s Favorite CodePen Demos II]()
Chris Coyier’s Favorite CodePen Demos II
Hey everyone! Before we get started, I just want to say it's damn hard to pick this few favorites on CodePen. Not because, as a co-founder of CodePen, I feel like a dad picking which kid he likes best (RUDE). But because there is just so...




