JavaScript is a computer programming language used to make websites and applications dynamic and interactive. It is unique because it can run directly in your browser and also on a server. Along with Hypertext Markup Language (HTML) and Cascading Style Sheets (CSS), JavaScript is one of the most commonly used programming languages of the Internet.
HTML provides the basic layout, structure, and content of a website. CSS provides design, fonts, colors, effects, and other visual elements. JavaScript brings dynamism and interactivity to the website. For example, pop-ups, animations, video and social media embeds, drop-down menus, and many other website components are created using JavaScript.
