210226-MWB-EP-for-Servers-Circle

By David Walsh on March 11, 2021

Recent Features

By David WalshNovember 21, 2011
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?
By David WalshNovember 7, 2011
Create Spinning Rays with CSS3: Revisited
Last December I wrote a blog post titled Create Spinning Rays with CSS3 Animations & JavaScript where I explained how easy it was to create a spinning rays animation with a bit of CSS and JavaScript. The post became quite popular so I...

By David WalshAugust 22, 2012
HTML5 download Attribute
I tend to get caught up on the JavaScript side of the HTML5 revolution, and can you blame me? HTML5 gives us awesome "big" stuff like WebSockets, Web Workers, History, Storage and little helpers like the Element classList collection. There are, however, smaller features in...
By David WalshDecember 11, 2012
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.