blog posts

iPhone Web Goodies: Drag and Drop with Touch, Resize and Rotate with Gestures

The video above shows a simple showcase application that Neil Roberts of SitePen created and wrote about. He testing out the new APIs such as the touch API where he worked with drag and drop: PLAIN TEXT JAVASCRIPT:   node.ontouchmove = function(e){   if(e.touches.length == 1){ // Only deal with one finger     var touch = e.touches[0]; // Get the information [...]

Remember the Web Apps; Don’t forget the first iPhone baby today

We see the birth of the second baby when it comes to building and running apps on the iPhone. People have already spent almost $100k in the first few hours of the AppStore not being open, so tomorrow is likely to be a great day for Apple, and developers, as people run around clicking on [...]

YPulse: Fades and Pulsations Library

Kent Johnson has released YPulse a simple open source wrapper for the YUI Animation library that makes creating highlight fades and pulsing button glows a bit easier. You pulse away with something like: PLAIN TEXT JAVASCRIPT:   var pulser = new YAHOO.squarebits.YPulse(   ‘my-div’,   ‘backgroundColor’,   ‘#FFFFFF’, // starting   ‘#FFFF00?, // ending   0.75, // The number of seconds for the start-end transition   [...]

A safety fence for your property lookups

Michal Till posted a little JavaScript tip that he uses to create a safety fence for accessing properties: As we all know, null not only does not have any properties, but their existence also can not be tested. So null.property retuns error instead of undefined. You can end up with something like this: PLAIN TEXT JAVASCRIPT:   if ( (node) && (node.nextSibling) && (node.nextSibling.className [...]

Ojay 0.2: easy keyboarding, a validation DSL, and two new UI widgets

James Coglan has updated Ojay, the chaining wrapper for YUI that we posted on a few months back. The new release features really simple keyboard and form scripting and couple of new UI widgets, a new event system and a stack of other improvements: Ojay.Forms. By far the biggest new package, Ojay.Forms sorts out a real pain [...]

Code specialization; Namespaces again; Parasitic inheritance

Karl Krukow has a new blog that has some interesting Ajax content. Rather than pick at one, we have a synopsis of a few of his recent posts: Manual code specialization A technique is presented (in terms of examples) which can give performance boosts in certain situations. The technique relies on higher-order functions, and sharing variables in [...]