1617807573-Image_Optimization_Lighthouse_Comparison

By David Walsh on April 28, 2021

Recent Features

By Landon SchroppApril 14, 2014
Write Better JavaScript with Promises
You've probably heard the talk around the water cooler about how promises are the future. All of the cool kids are using them, but you don't see what makes them so special. Can't you just use a callback? What's the big deal? In this article, we'll...
By David WalshJuly 30, 2013
9 More Mind-Blowing WebGL Demos
With Firefox OS, asm.js, and the push for browser performance improvements, canvas and WebGL technologies are opening a world of possibilities. I featured 9 Mind-Blowing Canvas Demos and then took it up a level with 9 Mind-Blowing WebGL Demos, but I want to outdo...

By David WalshAugust 13, 2009
jQuery Comment Preview
I released a MooTools comment preview script yesterday and got numerous requests for a jQuery version. Ask and you shall receive! I'll use the exact same CSS and HTML as yesterday. The XHTML The CSS The jQuery JavaScript On the keypress and blur events, we validate and...
By David WalshNovember 29, 2012
CSS :target
One interesting CSS pseudo selector is :target. The target pseudo selector provides styling capabilities for an element whose ID matches the window location's hash. Let's have a quick look at how the CSS target pseudo selector works! The HTML Assume there are any number of HTML elements with...