1617807573-Image_Optimization_Lighthouse_Comparison

By David Walsh on April 28, 2021

Recent Features

By David WalshApril 4, 2011
Convert XML to JSON with JavaScript
If you follow me on Twitter, you know that I've been working on a super top secret mobile application using Appcelerator Titanium. The experience has been great: using JavaScript to create easy to write, easy to test, native mobile apps has been fun. My...
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 17, 2018
CSS Ellipsis Beginning of String
I was incredibly happy when CSS text-overflow: ellipsis (married with fixed width and overflow: hidden was introduced to the CSS spec and browsers; the feature allowed us to stop trying to marry JavaScript width calculation with string width calculation and truncation. CSS ellipsis was also very friendly to...
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...