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# HTML
:::spoiler {state="open"} **🧷 Table of Content**
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- __Root:__ **[Web Development](/Kt7xgfDNQJq12DduZa0nfw)**
- __Markup Language__
[TOC]
:::
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## 1. Introduction
- **Purpose**: HTML (Hypertext Markup Language) is the standard language for creating web pages.
- **History**: Overview of the evolution of HTML, from HTML 1.0 to HTML5.
- **Features**: Key features of HTML5 including semantic elements, multimedia support, and form enhancements.
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## 2. Basic Structure of an HTML Document
- **DOCTYPE Declaration**: Understanding `<!DOCTYPE html>` for HTML5.
- **HTML Boilerplate**: Minimal HTML document structure (`<html>`, `<head>`, `<body>`).
- **Metadata Elements**: Using `<meta>`, `<title>`, and `<link>` tags in the head section.
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## 3. HTML Elements
- **Block-Level vs. Inline Elements**: Explanation of differences with examples (`<div>`, `<p>`, `<span>`, etc.).
- **Semantic Elements**: HTML5 semantic tags like `<header>`, `<footer>`, `<article>`, and `<section>`.
- **Text Formatting**: Common text-related tags (`<h1>-<h6>`, `<strong>`, `<em>`, `<mark>`, etc.).
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## 4. Attributes and Global Attributes
- **Attributes**: Definition of attributes and their role in HTML elements (e.g., `id`, `class`, `style`).
- **Global Attributes**: Overview of global attributes like `id`, `class`, `style`, `data-*`, and `title`.
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## 5. Links and Navigation
- **Anchor Tags (`<a>`)**: Creating internal and external links.
- **Navigation Elements**: Using `<nav>` for navigation menus.
- **HTML Links vs. Button Links**: Best practices for using anchor tags and buttons for navigation.
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## 6. Images and Multimedia
- **Images**: Using `<img>` tag, `src` and `alt` attributes.
- **Responsive Images**: `srcset` attribute for responsive images.
- **Multimedia Elements**: Using `<audio>`, `<video>`, and embedding external content (`<iframe>`).
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## 7. Forms and Input Elements
- **Form Structure**: The basic structure of forms using the `<form>`, `<input>`, `<textarea>`, and `<button>` elements.
- **Form Validation**: Native HTML5 form validation and custom validation attributes (`required`, `pattern`, etc.).
- **Input Types**: Overview of input types (`text`, `email`, `password`, `date`, `range`, `color`, etc.).
- **Form Methods**: Explanation of GET vs POST methods in form submission.
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## 8. Tables
- **Table Structure**: Basic elements of tables (`<table>`, `<tr>`, `<td>`, `<th>`).
- **Table Attributes**: Using attributes like `colspan`, `rowspan` for merging cells.
- **Responsive Tables**: Techniques for creating mobile-friendly tables.
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## 9. Lists
- **Ordered & Unordered Lists**: Using `<ol>`, `<ul>`, and `<li>` for ordered and unordered lists.
- **Description Lists**: Using `<dl>`, `<dt>`, and `<dd>` for term-description pairs.
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## 10. Forms and Accessibility
- **Accessibility Attributes**: Using `aria-*` attributes for better accessibility.
- **Label and Input Associations**: Best practices for associating `<label>` with `<input>` using `for` and `id`.
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## 11. Media Queries and Responsive Design
- **Responsive Design Basics**: Introduction to responsive web design using media queries.
- **Viewport Meta Tag**: Explanation of the `<meta name="viewport">` tag for responsive layouts.
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## 12. HTML5 APIs
- **Geolocation API**: Overview of using the Geolocation API to access user location.
- **Local Storage**: Explanation of the Web Storage API (`localStorage`, `sessionStorage`) for client-side storage.
- **Canvas API**: Introduction to the `<canvas>` element for drawing graphics via JavaScript.
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## 13. Best Practices
- **HTML Validation**: Ensuring your HTML is valid with tools like W3C Validator.
- **SEO Best Practices**: Optimizing HTML for search engines (e.g., proper usage of headings, alt text for images).
- **Performance Optimization**: Techniques for improving HTML performance (e.g., lazy loading, minimizing DOM size).
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## 14. Resources and Further Learning
- **Official HTML Documentation**: Link to W3C HTML specification.
- **Learning Resources**: Recommendations for HTML tutorials and references.
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