Latest Screencasts (page 3)

Creating drag & drop sortable lists is fairly easy using Prototype and the built in helper methods. See how in this episode.

How do you use jQuery with Rails? In this episode I redo episode #43 using jQuery instead of Prototype/RJS.

Ever wondered how some sites seem to have endless scrolling page with no pagination? Find out how easy it is to do this in Rails in this episode.

Sometimes you need to display an administrative announcement to every page on the site and give the users the ability to hide the announcement. See how in this episode.

Usually a select menu is used for setting a belongs_to association, but in this episode I will show you how to use a text field with auto completion.

In AJAX Essential Training, instructor Dori Smith shows experienced web developers how to utilize AJAX to best create dynamic pages. The course covers selecting the best tools for the job (HTML, CSS, JavaScript, XML), understanding all aspects of HTTP from requests to responses, and creating dynamic forms and maps from...

See how to dynamically change a select menu based on another select menu using Javascript. In this episode everything is kept client side which leads to a more responsive user interface.

In this third and final episode on complex forms I will show you how to edit a project and multiple tasks all in one form. This includes removing and adding tasks dynamically as well. See the show notes for updated code.

See how to use Javascript and RJS to add and remove form fields dynamically. This episode will build upon the previous episode allowing you to create any number of tasks in one form the same time a project is created.

by Geoffrey Grosenbach. Technical consulting by Prototype Core Team Member Justin Palmer. Did your first few years of Javascript programming consist of “copy” and “paste”? It’s time to learn it right! Javascript is a highly dynamic language with many interesting features which most developers never learn. Yet familiarity with Javascript...