having fun with code

Monthly Archives: April, 2009

Sending messages between Javascript objects

When applications (or websites) get pretty big, it usually happens that a lot of different objects or classes interact with each other or, even worst, depend on each other to achieve the site functionality. A simple example could be a Tabs manager class, which controls a set of tabs in the page. Sometimes, the content [...]

MooTools 1.2.2 is here and it’s very cool

What a great surprise it’s been to see the major updates in Mootools Core are around the Class object. Object Oriented javascript is the future and MooTools is the freeway to get there. Now, better than ever. MooTools 1.2.2 is a mainly a bug fix release but it also includes an almost entirely new Class.js. [...]

Synchronizing sounds (or trying to…)

The purpose of this demo is to test and see how possible is to synchronize sounds with DOM effects while being played in different threads or timers. It looks like, while synchronizing sounds with DOM effects is quite simple and works fine, sounds played by different threads or timers get out of sync after a [...]

Setting up timers and intervals inside JS objects

It may seem trivial but it has its tricky point. Usually, in procedural Javascript (this is, non object oriented programming), timers are set up passing the callback function on a string: function hello() {   alert("hello"); } // Will execute hello() after 10 seconds setTimeout('hello()', 10000); For this code to work, hello() has to be [...]

Regular expressions in Freemarker

At work we have our custom CMS (SWITCH) which uses Freemarker to create template-based pages. So far I had never needed this, but today I had to figure out how to strip all html tags from a text block. Well, nothing like a good RegEx for that :) Trimming an HTML block to 100 characters [...]

About the blog

This is a blog about development, focused mainly on Javascript but also other languages like python, shell scripts and more.

About the author

Eneko Alonso is a software engineer and UI developer with more than eight years of experience in software and web development. He lives in San Luis Obispo, California and works at LEVEL Studios.

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