This JavaScript code will change the background from one color to the next for each of the 10 colors then it starts the loop over again! There is also an On/Off button to let you start and stop the JavaScript

Your visitors are from over the world? And you worry that they do know the best time to contact you? Let use this JavaScript code, may associate with some GMT zone script, to show your current timezone and your visitors what time that would be in their time zone.

Epoch is a flexible DHTML calendar that supports several display formats, such as inline on the page, as a DHTML date picker, or an calendar that with the ability to select multiple dates. Best of all, it's released under the GNU Lesser General Public License, so you can use and distribute this calendar for free inside your web pages and applications.

This script records the mouse movements you make. Click 'Record' to start recording mouse movements. Those mouse positions will be saved in memory. 'Stop Record' stops recording process. 'Replay' shows the movements that have been recorded. If you wish to make another record, click 'Reset'. It clears memory for new recording.

A simple JavaScript (operated by jQuery) code to create a news ticker that scrolling up continuously. The code is very easy to setup and can be edited to suit the purpose of usage, and with the support of CSS, this news ticker becomes very eye-catching.

You set a phrase and the letters follow the mouse.

A simple CSS to create a rating system by stars, this code is open source and licensed under a Attribution 3.0 License

openWYSIWYG is a 100% free cross-browser WYSIWYG editor that replaces plain <textarea>s in your forms. Among its highlights are:

• Format text, align paragraphs, create lists, insert images and tables, all visually.
• View the HTML source code of what you're editing.
• It loads extremely fast and is completely written in JavaScript and DHTML.
• 100% free, open source application released under the LGPL, meaning you can distribute it in your content management system or custom web application, all free and without restrictions!
• openWYSIWYG is cross-browser compatible and will work with the most popular internet browsers, such as IE 5.5+ (Windows), Firefox 1.0+, Mozilla 1.3+ and Netscape 7+.

Flash cards were pretty good math practice. But, they were always the same math problems, over and over. Lo and behold, JavaScript to the rescue! Just select the difficulty level then click the type of problem you want to practice with, (add, subtract, multiply, and divide) and JavaScript will give you a problem. And, a built-in score checker grades you along the way!

Great practice for elementary-aged students just learning their math skills, or for anyone wishing to practice a bit!

If this JavaScript is implemented into your web pages, then everytime visitors move mouse out the body of web pages, it will show a divison to show your major info.