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By David Walsh on April 18, 2020

Recent Features

By Garris ShiponSeptember 17, 2014
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...
By David WalshApril 15, 2015
fetch API
One of the worst kept secrets about AJAX on the web is that the underlying API for it, XMLHttpRequest, wasn't really made for what we've been using it for. We've done well to create elegant APIs around XHR but we know we can do better. Our effort to...

By David WalshNovember 10, 2008
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...
By David WalshJune 25, 2012
CSS pointer-events
The responsibilities taken on by CSS seems to be increasingly blurring with JavaScript. Consider the -webkit-touch-callout CSS property, which prevents iOS's link dialog menu when you tap and hold a clickable element. The pointer-events property is even more JavaScript-like, preventing: click actions from doing...