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By David Walsh on September 9, 2023

Recent Features

By David WalshFebruary 6, 2013
6 Things You Didn’t Know About Firefox OS
Firefox OS is all over the tech news and for good reason: Mozilla's finally given web developers the platform that they need to create apps the way they've been creating them for years -- with CSS, HTML, and JavaScript. Firefox OS has been rapidly improving...
By Landon SchroppMarch 16, 2015
Regular Expressions for the Rest of Us
Sooner or later you'll run across a regular expression. With their cryptic syntax, confusing documentation and massive learning curve, most developers settle for copying and pasting them from StackOverflow and hoping they work. But what if you could decode regular expressions and harness their power? In...

By David WalshJuly 16, 2008
MooTools Image Preloading with Progress Bar
The idea of image preloading has been around since the dawn of the internet. When we didn't have all the fancy stuff we use now, we were forced to use ugly mouseover images to show dynamism. I don't think you were declared an official...
By David WalshJune 10, 2013
Using CSS attr and content for Tooltips
I've found myself in love with CSS content and attr; I've recently written about how you can use the property and expression on a basic level, how you can implement CSS counters, and use for the sake of localization. I wanted to share...