Expand/Collapse Widget Demo

HTML (HyperText Markup Language) is the standard markup language used to create and structure content on the web. It defines the meaning and structure of web content, such as headings, paragraphs, lists, links, images, and more.

HTML elements are represented by tags, which are enclosed in angle brackets. For example, <p> creates a paragraph, and <h1> creates a top-level heading.

CSS (Cascading Style Sheets) is a stylesheet language used to describe the presentation of a document written in HTML or XML. It controls the layout, colors, fonts, and overall visual design of web pages.

CSS can be applied in three ways: inline styles, internal stylesheets within <style> tags, or external stylesheets linked via the <link> element.

JavaScript is a programming language that enables interactive web pages. It is primarily used to add dynamic behavior to web applications, handle user interactions, and manipulate the DOM (Document Object Model).

Modern JavaScript can also be used for server-side development (Node.js), mobile applications, and desktop applications.