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?
![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...
Incredible Demos
![Create a Custom “:selected” Pseudo Selector in MooTools]()
Create a Custom “:selected” Pseudo Selector in MooTools
A while back I read a very interesting article by MooTools core developer Jan Kassens about how to create a custom pseudo selector in MooTools. I was surprised at the ease in which one can add their own pseudo selector that I...
![pointer Media Query]()
pointer Media Query
As more devices emerge and differences in device interaction are implemented, the more important good CSS code will become. In order to write good CSS, we need some indicator about device capabilities. We've used CSS media queries thus far, with checks for max-width and pixel ratios.




