To follow on from Auto-populating Select Boxes using jQuery & AJAX, I've had more than a few requests for how to do this for multiple select boxes. In response, I've written a jQuery plugin and have included a simple example of three select boxes populating each other driven by a MySQL database.

I've started playing with Ext with jQuery, and although the tutorials on the Ext web site are superb, I found that I hit a few stumbling blocks - so I've written up the little gotchas.

More often that not, in my early dabbling with jQuery and more advanced JavaScript, I found I would constantly get confused over the meaning of "this" in jQuery and my own new libraries. Hopefully this quick guide can help clarify those confusing moments, because once you've got it, it's simple as pie.

I've been hoarding a few plugins which I thought it was about time I did some sharing. They are: crop - crop any image on the fly using JavaScript only labelOver - based on an article over at A List Apart an accessible method of compressing forms pluck - return an array of values for a specific attribute

Inspired by Dustin Diaz’s AJAX screencast, I thought it was time I made a little more use of iShowU and show how easy, and quick it can be to pile on some AJAX calories to pretty much any form. The screencast is sans-sound, really just to try to keep my out-going bandwidth down, but I’ve commented [...]

Updated March '08: I've separated the plugin to a separate jquery.hint.js file and included a fix to get around Firefox's autocomplete You will see a lot of web sites with search boxes have text already populated inside of the field and when you select the input text box it disappears and reappears when it’s not selected. This [...]

Update: due to popular demand, I've caved in, and written a plugin and demos with multiple-select boxes populating each other and driven from MySQL. View: Auto-populate multiple select boxes If you are familiar with using select boxes for categorisation and sub-categories, such as ebay does when selling an item, [...]