Mike Plate, a freelance web and mobile developer has created a really useful web app perfect for playing around with CSS3. This will be surely something to bookmark under development tools. Check it out at CSS3 Playground

From Ajaxian Update: Here is a full set of release notes on the platform preview (called that as it is more of a shell than a browser. Rey Bango (Ajaxian and now Microsoft employee) will do a post that rounds up the news from MIX today where the IE9 team shared a first preview release [...]

Andy from Coderfoo.com created this excellent example and code sniplet to demo a function he created that uses a context menu to select and deselect all rows from a YUI datatable. At first I simply thought he was just accessing a regular function within YUI but he soon corrected me. He explained that while YUI [...]

JavaScript [login.js] // set up YUI loader var loader = new YAHOO.util.YUILoader({ require: ["container","connection", "cookie", "animation", "button", "dom","event" ], loadOptional: true, onSuccess: function() { Yevent = YAHOO.util.Event; Yconnect = YAHOO.util.Connect; Ydom = YAHOO.util.Dom; Ycook = YAHOO.util.Cookie; // fire of init() function once the document has finished loading and the dom is ready YAHOO.util.Event.onDOMReady(init); }, timeout: [...]

Andy created a very and useful advanced example of using the Yahoo! User Interface TreeView with the capabilites of drag and drop of child nodes to other parent nodes. Here is an exert of his blog and the link. $coderfoo: YUI TreeView with Drag and Drop nodes I recently had a need for a YUI [...]