JavaScript is the scripting language of the Internet. It is the most popular scripting language on the World Wide Web and is used in millions of Web pages to power interactive content and increasingly powerful web applications. JavaScript is an open scripting language that anyone can use without purchasing a license.
      A JavaScript consists of lines of executable computer code that can be inserted into an HTML page. JavaScript works in all major browsers like Netscape and Internet Explorer that are Version 3.0 or higher.
      JavaScript is the glue that binds together HTML and XML elements, and allows these objects to communicate and work with each other.
      Please explore this site to learn more about Javascript, a very useful tool to have in a web developer's toolkit.