percy-square
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?
![Responsive and Infinitely Scalable JS Animations]()
Responsive and Infinitely Scalable JS Animations
Back in late 2012 it was not easy to find open source projects using
requestAnimationFrame()- this is the hook that allows Javascript code to synchronize with a web browser's native paint loop. Animations using this method can run at 60 fps and deliver fantastic...
Incredible Demos
![Create a Quick MooTools Slideshow with Preloading Images]()
Create a Quick MooTools Slideshow with Preloading Images
I've been creating a lot of slideshow posts lately. Why, you ask? Because they help me get chicks. A quick formula for you: The following code snippet will show you how to create a simple slideshow with MooTools; the script will also...
![:valid, :invalid, and :required CSS Pseudo Classes]()
:valid, :invalid, and :required CSS Pseudo Classes
Let's be honest, form validation with JavaScript can be a real bitch. On a real basic level, however, it's not that bad. HTML5 has jumped in to some extent, providing a few attributes to allow us to mark fields as required or only valid if matching...
