is a scripting language introduced in 1995 to help make web pages
interactive. When creating a web page, you usually use three different
technologies. The HTML page provides the structure and the web content.
makes the content interactive and dynamic.
are client-side markup and programming languages, interpreted by the
browser rather than in the back-end on the web servers. They aren’t
compiled like other programming languages, but rather, the browser
simply knows how to interpret them.