Private Pub makes it easier than ever to publish and subscribe to real-time events in a Rails app. You can use publish_to with a block of JavaScript or supply a hash for use with JSON. (7 minutes)

Transform traditional pagination into infinite scrolling which will automatically fetch more records when the user scrolls down to the bottom of the page. (7 minutes)

Edit an attribute in-place without leaving a page using the Best In Place gem. Learn how to add validations and support for various field types. (8 minutes)

A select menu is often used for setting a belongs_to association, but you should also consider using a text field with autocomple. Here I use jQuery UI and show two different solutions: client side and server side. (9 minutes)

Sometimes logic needs to be shared between the server-side (Ruby) and the client-side (JavaScript). Here I show how to run JavaScript directly in Ruby through ExecJS and therubyracer. (14 minutes)

PJAX allows you to quickly update a section of a page using AJAX with automatic pushState support. Here I show how to use both pjax_rails and rack-pjax gems. (8 minutes)

Here I show how to use jQuery UI to make a sortable list and a "sort" action to handle the updating. Top it off with acts_as_list to make it feature complete. (6 minutes)

With the jQuery Tokeninput plugin it is easy to add an autocompleting list of entries for a many-to-many association. (11 minutes)

Learn how to make a site usable offline with HTML 5 localStorage. This last part of the series covers jquery-tmpl and jquery-offline. (14 minutes)

The new pushState function in JavaScript allows us to change the full URL with AJAX. This means the back button, reloading, and bookmark support can be easily added. (10 minutes)