David Walsh Tutorials
![Caching AJAX Results in JavaScript]()
Caching AJAX Results in JavaScript
AJAX is an awesome tool. AJAX requests are usually faster than regular page loads and allow for a wealth of dynamism within a page. Unfortunately many people do not properly cache request information when they can. Let me show you how I cache...
![Image Manipulation with PHP and the GD Library]()
Image Manipulation with PHP and the GD Library
Yeah, I'm a Photoshop wizard. I rock the selection tool. I crop like a farmer. I dominate the bucket tool. Hell, I even went as far as wielding the wizard wand selection tool once. ...OK I'm rubbish when it comes to Photoshop.
![Pretty Word Wrapper with MooTools or PHP]()
Pretty Word Wrapper with MooTools or PHP
Details, details, details. Details are what take a good site to the next level. Small details like link nudging (jQuery, MooTools), simple but stylish CSS enhancements, and opacity effects are the cheeky effects that give your website the edge over...
![Using Opacity to Show Focus with jQuery]()
Using Opacity to Show Focus with jQuery
A few days back I debuted a sweet article that made use of MooTools JavaScript and opacity to show focus on a specified element. Here's how to accomplish that feat using jQuery. The jQuery JavaScript There you have it. Opacity is a very simple but effective...
![Using Opacity to Show Focus with MooTools]()
Using Opacity to Show Focus with MooTools
I'm a huge fan of using subtle effects like link nudging (jQuery, MooTools) to enhance the user experience and increase the perceived dynamism of my websites. Trust me -- a lot of little things are what take websites to the next level.
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![MooTools TwitterGitter and Cookies]()
MooTools TwitterGitter and Cookies
One of my MooTools plugins I use most is TwitterGitter. TwitterGitter is a small MooTools plugin I've created to fetch any number of tweets from an Twitter user's account. Since clients don't tweet very often, there's no advantage to pinging Twitter for a tweet...
![Styling CSS Print Page Breaks]()
Styling CSS Print Page Breaks
It's important to construct your websites in a fashion that lends well to print. I use a page-break CSS class on my websites to tell the browser to insert a page break at strategic points on the page. During the development of my...
![Sexy Opacity Animation with MooTools or jQuery]()
Sexy Opacity Animation with MooTools or jQuery
A big part of the sexiness that is Apple software is Apple's use of opacity. Like seemingly every other Apple user interface technique, it needs to be ported to the web (</fanboy>). I've put together an example of a sexy opacity animation technique...
![MooTools, Mario, and Portal]()
MooTools, Mario, and Portal
I'm a big fan of video games. I don't get much time to play them but I'll put down the MacBook Pro long enough to get a few games in. One of my favorites is Portal. For those who don't know, what's...
![Introducing MooTools LazyLoad]()
Introducing MooTools LazyLoad
Once concept I'm very fond of is lazy loading. Lazy loading defers the loading of resources (usually images) until they are needed. Why load stuff you never need if you can prevent it, right? I've created LazyLoad, a customizable MooTools plugin that...
