HTML Basic
Here are some basic concepts in HTML:
1. HTML Document Structure: An HTML document starts with a doctype declaration (`<!DOCTYPE html>`), followed by the `<html>` element that wraps the entire document. The document is divided into two main sections: the `<head>` and the `<body>`.
2. Head Section: The `<head>` section contains meta-information about the document, such as the page title (`<title>`), character encoding (`<meta charset="UTF-8">`), CSS stylesheets (`<link rel="stylesheet" href="styles.css">`), or JavaScript files (`<script src="script.js"></script>`).
3. Body Section: The `<body>` section contains the visible content of the webpage. It consists of various HTML elements that define the structure and layout of the page, such as headings (`<h1>`, `<h2>`, etc.), paragraphs (`<p>`), images (`<img>`), links (`<a>`), lists (`<ul>`, `<ol>`, `<li>`), tables (`<table>`, `<tr>`, `<td>`), forms (`<form>`, `<input>`, `<button>`), and more.
4. HTML Elements: HTML elements are represented by tags. They define different parts of a webpage and are enclosed in angle brackets (`<` and `>`). Most elements have an opening tag and a closing tag, with the content placed between them. For example, `<p>Hello, World!</p>` defines a paragraph element with the text "Hello, World!".
5. Attributes: HTML elements can have attributes that provide additional information about the element. Attributes are specified within the opening tag and consist of a name-value pair. For example, `<img src="image.jpg" alt="Description of the image">` uses the `src` attribute to specify the image source file and the `alt` attribute to provide an alternative text for screen readers.
6. Nesting and Hierarchy: HTML elements can be nested inside other elements, creating a ierarchical structure. For example:
html
<div>
<h1>Heading</h1>
<p>Paragraph</p>
</div>Here, the `<h1>` and `<p>` elements are nested within the `<div>` element.
7. Semantic HTML: HTML5 introduced semantic elements that give meaning to the structure of a webpage. These elements, such as `<header>`, `<nav>`, `<section>`, `<article>`, `<footer>`, etc., help search engines and assistive technologies better understand the content and improve accessibility.
8. Comments: HTML allows you to add comments within your code to provide explanations or make notes. Comments are ignored by browsers and are enclosed between `<!--` and `-- >`.
Here's a simple example of an HTML document:
html
<!DOCTYPE html>
<html>
<head>
<title>My Webpage</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<h1>Welcome to My Webpage</h1>
<p>This is a paragraph of text.</p>
<img src="image.jpg" alt="Description of the image">
<a href="https://example.com">Visit Example.com</a>
</body>
</html>This basic HTML structure forms the foundation for creating webpages. By combining various HTML elements and attributes, you can create rich and interactive content for the web.
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