Introduction
HTML, CSS, and JavaScript are three essential technologies used in web development. Each of these languages plays a unique role in creating interactive and visually appealing websites. In this article, we will explore how HTML, CSS, and JavaScript work together to bring web pages to life.
HTML: Structure and Content
HTML (Hypertext Markup Language) is the foundation of any web page. It provides the structure and content of the page. HTML uses tags to define different elements such as headings, paragraphs, images, links, and more. These tags are enclosed in angle brackets (<>) and are placed within the body of an HTML document.
HTML tags define the structure of the page, indicating how different elements should be displayed. For example, the
tag represents the main heading of a page, while the
tag defines a paragraph. HTML tags also allow us to add attributes, such as the source of an image or the target of a link.
CSS: Styling and Layout
CSS (Cascading Style Sheets) is responsible for the visual presentation of a web page. It allows developers to define the style, layout, and design of HTML elements. With CSS, we can control the colors, fonts, sizes, margins, and positioning of various elements on a page.
CSS works by selecting HTML elements and applying styles to them. Selectors are used to target specific elements, such as headings or paragraphs, and properties are used to define the desired styles. For example, we can set the font size of all paragraphs to 16 pixels by using the CSS rule: p { font-size: 16px; }
CSS can be included in an HTML document using the