Recent Features
![Page Visibility API]()
Page Visibility API
One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?
![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
![Vertically Centering with Flexbox]()
Vertically Centering with Flexbox
Vertically centering sibling child contents is a task we've long needed on the web but has always seemed way more difficult than it should be. We initially used tables to accomplish the task, then moved on to CSS and JavaScript tricks because table layout was horribly...
![Create Tiny URLs with TinyURL, MooTools, and PHP]()
Create Tiny URLs with TinyURL, MooTools, and PHP
Since we've already figured out how to create TinyURL URLs remotely using PHP, we may as well create a small AJAX-enabled tiny URL creator. Using MooTools to do so is almost too easy. The XHTML (Form) We need an input box where the user will enter...




