JavaScript is a versatile language that can be used to enhance client-side and server-side scripting. JavaScript is also widely used for its abilities to manage user input, show text, play sounds, display images, and communicate with a plug-in response. JavaScript, unlike many other programming languages, is relatively easy to master, even for those who have no programming experience Mastery of JavaScript allows Web masters and Web site developers to easily add interactivity, moving beyond static HTML pages