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HTML Tag Dictionary

HTML Tag Dictionary Index

[Setup] HTML Development Environment	Steps for setting up an environment to write and display HTML.
<!DOCTYPE> / <html>	Document type declaration and the root HTML element.
<head>	Container for document metadata.
<meta>	Configuring metadata.
<link>	Linking external resources.
<body>	Container for the document body.
id / class	Identifying and grouping elements.
style / title / lang	Inline styles, tooltips, and language settings.
data-* / hidden / tabindex	Custom data attributes, visibility, and focus order.
<h1> to <h6>	Heading tags.
<p>	Paragraphs.
<div>	General-purpose block container.
<pre> / <blockquote> / <hr>	Preformatted text, quotations, and horizontal rules.
<ul> / <ol> / <li>	Unordered and ordered lists.
<span>	General-purpose inline container.
<strong> / <em>	Important and emphasized text.
<code> / <kbd> / <var>	Displaying code, keyboard input, and variables.
<br> / <wbr> / <ruby>	Line breaks and ruby annotations.
<small> / <s> / <u> / <mark> / <del> / <ins>	Text decoration elements.
<a>	Hyperlinks.
<nav>	Navigation block.
<dl> / <dt> / <dd>	Definition lists (terms and descriptions).
<header> / <footer>	Page and section headers and footers.
<main> / <article>	Main content and standalone articles.
<section> / <aside>	Sections and supplementary information.
<details> / <summary>	Collapsible content.
<table> / <tr> / <td> / <th>	Basic table structure.
<thead> / <tbody> / <tfoot> / <caption>	Table grouping and captions.
colspan / rowspan	Merging table cells.
<form>	Container for forms.
<input> — Text	Text input fields.
<input> — Selection	Checkboxes and radio buttons.
<input> — Button & Others	Buttons, file inputs, and hidden fields.
<textarea> / <select> / <option>	Multi-line input and dropdowns.
<label> / <fieldset> / <legend>	Labels, grouping, and legends.
<button>	Button elements.
name / value / placeholder / required	Key attributes for form inputs.
<input> — HTML5 Validation Attributes	Input restrictions and validation.
<input type="date"> Types	Date and time inputs.
<input type="number"> / type="range"> / <datalist>	Number inputs, sliders, and suggestion lists.
<img>	Embedding images.
<picture> / <source>	Responsive images and media switching.
<figure> / <figcaption>	Figures and captions.
<video>	Embedding video.
<audio>	Embedding audio.
<iframe>	Inline frames for embedding external content.
<script>	Embedding and loading JavaScript.
<canvas> / <svg>	Canvas drawing and SVG images.
<style>	Embedding CSS.
<noscript>	Fallback content for when scripts are disabled.
role Attribute	Explicitly defining the role of an element.
aria-label / aria-labelledby / aria-describedby	Associating names and descriptions with elements.
aria-hidden / aria-expanded / aria-live	Visibility state and notifications of dynamic updates.
<meta name="description"> / OGP	Metadata for search engines and social media.
<link rel="canonical"> / hreflang	Canonical URLs and multi-language support.
<link rel="icon"> / <link rel="preload">	Favicons and resource preloading.
<dialog>	Dialog boxes.
<template> / <slot>	Templates and Web Components slots.

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