JavaScript is used in millions of Web pages to improve the design, validate forms, detect browsers, create cookies, and much more.

It is the most popular scripting language on the internet, and works in all major browsers, such as Internet Explorer, Mozilla, Firefox, Netscape, and Opera.

Javascript Professional contains 100000 lines of Javascript source code for web page designers.

Categories include background effects, buttons, calendars, calculator, clocks, cookies, equivalents, forms, games, password protections, page-details, scrolls, visitor information collectors, navigations and much more.

These well-chosen scripts are stored in .htm format and sorted in 16 categories.