Douglas looks closely at code patterns from which JavaScript programmers can choose in authoring their applications. He compares familiar constructs like the Pseudoclassical Pattern with more unique patterns like the Parasitic Pattern that (he argues) run more “with the grain” of JavaScript

This is a very comprehensive JavaScript calculator. Although the source code can get quite confusing, it works.

There are three advanced Document Object Models which will help us out here, all explained here

The background image is actually scrolled on the page. Wow!

Provides controls to scroll the layer at varying speeds. Can be used with your own graphics and layout to creatively present your content

Your message is initially expanded with extra spaces but then slowly compressed to fit the message in the status bar. Neat!

Scrolls HTML elements within a DIV. A version of the HTML Scroller modified to display a DIV on both the left and right side of the window for both IE and Netscape

Scrolling words along the bottom of the page is cool and all, but this one takes the cake.... You can scroll text, links, images, buttons, basically anything you want, in a little news like box on your site. And, you can have as many 'messages' as you want. Amazing!

This script makes it look like there is a lump moving under a line of text in the status bar -- sort of how it would look if a mouse were running under a rug.

Create a scrolling and pasuing ticker from anyone's RSS feed!

An impressive single line news ticker with smooth scrolling motion. Supports any valid HTML within the scroll text, including images or links. Really easy to position on your page, just place the 'tickpos' anchor where you want the scroller to appear. Easy!

Use JavaScript to alert your user with the contents of a textarea! This also serves little purpose in the real world, but nonetheless is a great example of JavaScript. Type something in the box and hit 'Alert Me!'

Learn how to create a Multiple Message Scroller using java script

As its name suggests, this is a up-down scroller that pauses between each message! The look of the scroller is completely styled using external CSS, including the dimensions. Easily create a single line scroller just by adjusting the scroller's height appropriately!

This script creates a series of scrolling messages in the middle of the page. The script is fully customizable. You can customize the following elements of the script