JavaScript is an Object Oriented Programming Language. It is completely centered around objects. May if you are newer you have question about What is an object? so the very short answer is everything is object.
In the context of a web page, a JavaScript object is any scriptable HTML element – that is any HTML [...]

There a many examples of egregious usages of Ajax out there but every once in a while you find a great usage of Ajax. One great usage is the username availability checker. Why make the user submit their form if you can just use Ajax to let them know if it’s available right away? Here’s [...]

Multiple AJAX responses with 1 request (mootools and PHP)
Why separate requests aren’t great
If you want to update three separate regions, then using separate requests means that you’re waiting longer. 3 times you make a request and 3 times you wait for a response, rather than making 1 request, waiting for 1 response and processing the [...]

1. Accordion Examples
Accordion Interface component based on the excellent Interface library.

Download
Interface 1.2 146kb (source files, compressed files)
jQuery 1.1.2 19 kb
2. FreshGenerator
FreshGenerator is a webdesign tool which can create interesting graphic elements used in many web 2.0 sites. You may use it to create boxes of different styles and colors. In order to make changes on [...]

1.Edit Table in place:

2. Create flickr-like Editing Fields Using AJAX & CSS

Show user the data field normally (for instance: the title of a picture)
When mouse rolls over that title, make the background of the word yellow
If the user clicks on the word, change that word to a input box with the word [...]