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By David Walsh on March 20, 2019

Recent Features

By David WalshApril 3, 2013
CSS @supports
Feature detection via JavaScript is a client side best practice and for all the right reasons, but unfortunately that same functionality hasn't been available within CSS. What we end up doing is repeating the same properties multiple times with each browser prefix. Yuck. Another thing we...
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 WalshDecember 1, 2008
Send Email Notifications for Broken Images Using MooTools AJAX
One of the little known JavaScript events is the image onError event. This event is triggered when an image 404's out because it doesn't exist. Broken images can make your website look unprofessional and it's important to fix broken images as soon as possible.
By David WalshAugust 5, 2008
dwProgressBar v2: Stepping and Events
dwProgressBar was a huge hit when it debuted. For those of you who didn't catch my first post, dwProgressBar is a MooTools 1.2-based progress bar which allows for as much flexibility as possible. Every piece of dwProgressBar can be controlled by CSS...