Following a consistent design pattern and structure also helps when fixing bugs or building on top of a plugin. Having a structure that has proved to stand well in my other plugins means I won’t have to rehash my code to account for new details. I know it can hold well with small plugins as well as larger ones.

From the Baymard Institute: "During our recent checkout study we found several usability issues when using a drop-down for your country selector: a lack of overview, unclear sorting, scrolling issues, inconsistent UIs, a lack of context on mobile devices, and finally, they break the user's tab-flow.

So we took it upon ourselves to redesign the country selector."

Nice slideshow of a few good tricks about the underpinnings of speed and jQuery.

Chosen is a javsacript plug-in that makes long, unwieldy select boxes much more user-friendly. It is currently available in both jQuery and Prototype flavors.

Create custom dropdowns with keyboard navigation, degradation, etc.

David DeSandro has written a pretty cool jQuery plugin that adjusts your layout all sorts of crazy and cool ways. Check out the demos, words just don't work here.

FullCalendar is a jQuery plugin that provides a full-sized, drag & drop calendar like the one below. It uses AJAX to fetch events on-the-fly for each month and is easily configured to use your own feed format (an extension is provided for Google Calendar). It is visually customizable and exposes hooks for user-triggered events (like clicking or dragging an event).

tablesorter is a jQuery plugin for turning a standard HTML table with THEAD and TBODY tags into a sortable table without page refreshes. tablesorter can successfully parse and sort many types of data including linked data in a cell.

Since Bill Beckman switched to using client side sorting for my tables via the tablesorter.js plugin created by Christian Bach, the one thing he have missed from the server side method he was using before is the highlighting of the sorted columns. He created a nice widget for this.

You know that page-curl effect you get sometimes on sites? This is how to do it with jQuery. Not bad.

Facebox is a jQuery-based, Facebook-style lightbox which can display images, divs, or entire remote pages. It's simple to use and easy on the eyes. You'll need a loading image, close label, four corners, and solid border images in addition to the javascript and css files

A Javascript bookmarklet called Visual Event which visually shows the elements on a page that have events subscribed to them, what those events are and the function that the event would run when triggered. This is primarily intended to assist debugging, but it can also be very interesting and informative to see the subscribed events on other pages.

The jQuery sIFR Plugin is an addon for jQuery that makes it easy to replace text in a web page with flash text (sIFR, Scalable Inman Flash Replacement). It gives you a function in javascript to replace text in a web page dynamically with sIFR text, using native jQuery functionality along with the jQuery Flash Plugin.

A nice image gallery script written in jQuery.

Nice list of better jQuery techniques. I wasn't aware of some of the items in the list.

Nice image gallery script, fast.

An extremely basic, yet extremely powerful, technique for adding dropdown menus using jQuery and CSS.

Microsoft is looking to make jQuery part of their official development platform. Their JavaScript offering today includes the ASP.NET Ajax Framework and they’re looking to expand it with the use of jQuery. This means that jQuery will be distributed with Visual Studio (which will include jQuery intellisense, snippets, examples, and documentation).

Nice list. Includes: jQuery Hover Sub Tag Cloud, Opacity Change, Image Upload and Auto Crop, Password Strength Meter, Magic Zoom, jQuery Autotab, Incredible Javascript Login Form, Context Highlighting Web Forms, Sliding Top Panel, Social History

Parallax turns a selected element into a 'window', or viewport, and all its children into absolutely positioned layers that can be seen through the viewport. These layers move in response to the mouse, and, depending on their dimensions (and options for layer initialisation), they move by different amounts, in a parallaxy kind of way.

Query Flickr plug-in is a JavaScript interface for Flickr Services API written on top of the jQuery library. It’s function is to process a Flickr API Standard Photo List returned in JSON and create a semantic gallery (unordered list) of thumbnail images (list items) with links to full size images. When combined with jQuery Litebox, a rich slide show, lightbox plug-in, jQuery Flickr provides a completely client-side solution, for integrating Flickr into your website, perfect for hosted blogs.

Nice overview of .has(), and how to create a plugin that does ("a > img")

Pretty Dates are a nice way to display dates. Rather than put in Tuesday, Jan 29, 2008, this would put in "Today".

Ingrid is an unobtrusive jQuery component that adds datagrid behaviors (column resizing, paging, sorting, row and column styling, and more) to your tables.