JavaScript is a simple, cross-platform, interpreted object-oriented scripting language developed by Netscape Communications Corporation. It is only very vaguely related to The Java Programming Language (they are both object-oriented languages, however JavaScript contains a much smaller and simpler set of commands than does Java). JavaScript is intimately tied to the the World Wide Web. It allows HTML files to command browsers by creating new browser windows, filling out fields in forms, jumping to new URLs, computing mathematical results, etc. JavaScript runs in three environments - as a server-side scripting language, as an embedded language in server-parsed HTML, and as an embedded language run in browsers.