Creating default text for TextBoxes
Auto focus on the first TextBox and tab on the Enter key
Disallowing cut/copy/paste operations on a TextBox
Highlighting text in a TextBox and copying to the clipboard
Validation of ASP.NET Controls
Validation of a sample user login form
Adding/removing hyperlinks on images
Changing image opacity on mouseover
Viewing enlarged images on mouseover on thumbnail
Creating an image gallery viewer
Creating a fade effect on hover
Preventing animation queue buildup
Setting up AJAX with ASP.NET using jQuery
Using Firebug to view AJAX request/ response
Consuming page methods with AJAX
Consuming web services with AJAX
Populating ASP.NET DropDownList using AJAX
Creating an auto complete search box
Displaying a progress indicator during AJAX calls
Catching and displaying AJAX errors
Using AJAX to load scripts in web pages
Cross site AJAX querying using jQuery