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+.

Finally, an easy way to count the number of words that are entered into a form!

Highlighting the source codes is one very great and important functions for the website/blog that mainly shows source codes on the web pages, jsB@nk also presented you many source code syntax highlighting tools, web applications, code syntax highlighters through two JavaScript article tutorial:

- Highlight your PHP and JavaScript codes with PHP highlight_string
- 16 Free Code Syntax Highlighters by Javascript For Better Programming

Really I also had the plan to apply this cool and amazing feature to jsB@nk since two years ago, however I still could not do this intent cause of many objective reasons. But now, I'm pleasure and happy to show you new JavaScript code example for highlighting your source codes. Although it's quite simple (just compared with other highlighting tools above) but they can still work very well for all programming languages.

Use this JavaScript to create quizzes for tutorials, online classes, or other subjects. Add as many questions as you like according to the structure of the existing demo questions. Adjust the correctAnswers array to hold the letter of the correct answer for each question.Easy configuration.

DHTMLX is a JavaScript/Ajax library of ready-to-use UI components,
including full-featured datagrid, tree, combobox, tabbar, menu,
calendar, etc. The components support the main types of functionality
required for development of advanced web applications: drag-n-drop,
in-line editing, clipboard operations, special techniques for handling
large datasets. The layout component allows developers to combine all
the components into a common user interface.

DHTMLX library is available under GNU GPL (there is also a Commercial
license for those who want to use the scripts in non-GPL projects).

This JavaScript will convert whole numbers to Roman numerals, up to 3,999,999. Easy to use.

How would you like a Search Engine for YOUR site? This script does exactly that. Copy the codes to your site, enter the listings information, and you've got your own site search engine!

Inserts the proper seperators to automatically format any currency field.

This Script can be used to validate your form for numeric values. The Numeric TextBox allows only numbers and accepts one decimal Point. Compatible with both Netscape and Internet Explorer.

One more wonderful JavaScript web application created by JavaScript developers, web developers. That is sheet music notation application from klog, the idea is build an JavaScript application, where people with MIDI keyboards can test their sight-reading online. The JavaScript web program will judge your playing objectively, according to whether you hit the right notes, what your timing was like, whether you got the dynamics right, etc.

Although this free music notation JavaScript is still in developing, coming with features: render two staves (bass and treble) to show left and right hands, render semi-breves, show fingering on notes, dotted notes, quavers, tied quavers. But its demo is a miracle, [email protected]'s pleasure to present the demo of sheet music notation with JavaScript.