percy-github
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?
![Create a CSS Flipping Animation]()
Create a CSS Flipping Animation
CSS animations are a lot of fun; the beauty of them is that through many simple properties, you can create anything from an elegant fade in to a WTF-Pixar-would-be-proud effect. One CSS effect somewhere in between is the CSS flip effect, whereby there's...
Incredible Demos
![AJAX Username Availability Checker Using MooTools 1.2]()
AJAX Username Availability Checker Using MooTools 1.2
This post has been updated: Using jQuery or MooTools For Drag, Drop, Sort, Save. The code on this page is no longer best practice. There a many examples of egregious usages of AJAX out there but every once in a while you find...
![Degradable SELECT onChange]()
Degradable SELECT onChange
Whenever I go to Google Analytics I notice a slight flicker in the dropdown list area. I see a button appear for the shortest amount of time and the poof! Gone. What that tells me is that Google is making their site function...
