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1 Introduction

2 Basic Templates

3 The HTML and XHTML Syntax

3.1 Syntactic Overview

3.2 The Syntax

3.2.1 DOCTYPE Declaration

3.2.1.1 Obsolete But Permitted DOCTYPEs
3.2.1.2 HTML and XHTML Comparison
3.2.1.3 Historical Notes

3.2.2 Elements

3.2.2.1 Tags
3.2.2.2 Void Elements
3.2.2.3 Raw Text Elements
3.2.2.4 RCDATA Elements
3.2.2.5 Foreign Elements
3.2.2.6 Normal Elements
3.2.2.7 Element Type Comparision
3.2.2.8 HTML and XHTML Comparison

3.2.3 Attributes

3.2.3.1 Empty Attribute Syntax
3.2.3.2 Unquoted Attribute Value Syntax
3.2.3.3 Double-Quoted Attribute Value Syntax
3.2.3.4 Single-Quoted Attribute Value Syntax
3.2.3.5 HTML and XHTML Comparison

3.2.4 Comments

3.2.5 Text

3.2.6 CDATA Sections

3.2.7 Character References

3.3 Understanding MIME Types

3.4 Character Encoding

3.5 Choosing HTML or XHTML

3.6 Polyglot Documents

4 The HTML Vocabulary and APIs

4.1 Categories

4.1.1 Metadata Content

4.1.2 Flow content

4.1.3 Sectioning root

4.1.4 Sectioning content

4.1.5 Heading content

4.1.6 Phrasing content

4.1.7 Embedded content

4.1.8 Interactive content

4.1.9 Transparent Content Models

4.2 Global Attributes

4.3 The Elements

4.3.1 The Root Element

4.3.1.1 The html element
Attributes
DOM Interface

4.3.2 Document Metadata

4.3.2.1 The head element
Attributes
DOM Interface
4.3.2.2 The title element
Attributes
DOM Interface
4.3.2.3 The base element
Attributes
DOM Interface
Attributes
DOM Interface
4.3.2.5 The meta element
Attributes
DOM Interface
4.3.2.6 The style element
Attributes
DOM Interface

4.3.3 Scripting

4.3.3.1 The script element
Attributes
DOM Interface
4.3.3.2 The noscript element
Attributes
DOM Interface

4.3.4 Sections

4.3.4.1 The body element
Attributes
DOM Interface
4.3.4.2 The section element
Attributes
DOM Interface
4.3.4.3 The nav element
Attributes
DOM Interface
4.3.4.4 The article element
Attributes
DOM Interface
4.3.4.5 The aside element
Attributes
DOM Interface
4.3.4.6 The h1, h2,
Attributes
DOM Interface
4.3.4.7 The header element
Attributes
DOM Interface
Attributes
DOM Interface
4.3.4.9 The address element
Attributes
DOM Interface
4.3.4.10 Headings and Sections

4.3.5 Grouping Content

4.3.5.1 The p element
Attributes
DOM Interface
4.3.5.2 The hr element
Attributes
DOM Interface
4.3.5.3 The br element
Attributes
DOM Interface
4.3.5.4 The pre element
Attributes
DOM Interface
4.3.5.5 The dialog element
Attributes
DOM Interface
4.3.5.6 The blockquote element
Attributes
DOM Interface
4.3.5.7 The ol element
Attributes
DOM Interface
4.3.5.8 The ul element
Attributes
DOM Interface
4.3.5.9 The li element
Attributes
DOM Interface
4.3.5.10 The dl element
Attributes
DOM Interface
4.3.5.11 The dt element
Attributes
DOM Interface
4.3.5.12 The dd element
Attributes
DOM Interface

4.3.6 Text-Level Semantics

4.3.6.1 The a element
Attributes
DOM Interface
4.3.6.2 The q element
Attributes
DOM Interface
4.3.6.3 The cite element
Attributes
DOM Interface
4.3.6.4 The em element
Attributes
DOM Interface
4.3.6.5 The strong element
Attributes
DOM Interface
4.3.6.6 The small element
Attributes
DOM Interface
4.3.6.7 The mark element
Attributes
DOM Interface
4.3.6.8 The dfn element
Attributes
DOM Interface
4.3.6.9 The abbr element
Attributes
DOM Interface
4.3.6.10 The time element
Attributes
DOM Interface
4.3.6.11 The progress element
Attributes
DOM Interface
4.3.6.12 The meter element
Attributes
DOM Interface
4.3.6.13 The code element
Attributes
DOM Interface
4.3.6.14 The var element
Attributes
DOM Interface
4.3.6.15 The samp element
Attributes
DOM Interface
4.3.6.16 The kbd element
Attributes
DOM Interface
4.3.6.17 The sub and sup elements
Attributes
DOM Interface
4.3.6.18 The span element
Attributes
DOM Interface
4.3.6.19 The i element
Attributes
DOM Interface
4.3.6.20 The b element
Attributes
DOM Interface
4.3.6.21 The bdo element
Attributes
DOM Interface
4.3.6.22 The ruby element
Attributes
DOM Interface
4.3.6.23 The rt element
Attributes
DOM Interface
4.3.6.24 The rp element
Attributes
DOM Interface

4.3.7 Edits

4.3.7.1 The ins element
Attributes
DOM Interface
4.3.7.2 The del element
Attributes
DOM Interface

4.3.8 Embedded Content

4.3.8.1 The figure element
Attributes
DOM Interface
4.3.8.2 The img element
Attributes
DOM Interface
4.3.8.3 The iframe element
Attributes
DOM Interface
4.3.8.4 The embed element
Attributes
DOM Interface
4.3.8.5 The object element
Attributes
DOM Interface
4.3.8.6 The param element
Attributes
DOM Interface
4.3.8.7 The video element
Attributes
DOM Interface
4.3.8.8 The audio element
Attributes
DOM Interface
4.3.8.9 The source element
Attributes
DOM Interface
4.3.8.10 The canvas element
Attributes
DOM Interface
4.3.8.11 The map element
Attributes
DOM Interface
4.3.8.12 The area element
Attributes
DOM Interface

4.3.9 Tabular Data

4.3.9.1 The table element
Attributes
DOM Interface
4.3.9.2 The caption element
Attributes
DOM Interface
4.3.9.3 The colgroup element
Attributes
DOM Interface
4.3.9.4 The col element
Attributes
DOM Interface
4.3.9.5 The tbody element
Attributes
DOM Interface
4.3.9.6 The thead element
Attributes
DOM Interface
4.3.9.7 The tfoot element
Attributes
DOM Interface
4.3.9.8 The tr element
Attributes
DOM Interface
4.3.9.9 The td element
Attributes
DOM Interface
4.3.9.10 The th element
Attributes
DOM Interface

4.3.10 Forms

4.3.10.1 The form element
Attributes
DOM Interface
4.3.10.2 The fieldset element
Attributes
DOM Interface
4.3.10.3 The label element
Attributes
DOM Interface
4.3.10.4 The input element
Attributes
DOM Interface
4.3.10.5 The button element
Attributes
DOM Interface
4.3.10.6 The select element
Attributes
DOM Interface
4.3.10.7 The datalist element
Attributes
DOM Interface
4.3.10.8 The optgroup element
Attributes
DOM Interface
4.3.10.9 The option element
Attributes
DOM Interface
4.3.10.10 The textarea element
Attributes
DOM Interface
4.3.10.11 The output element
Attributes
DOM Interface

4.3.11 Interactive Elements

4.3.11.1 The details element
Attributes
DOM Interface
4.3.11.2 The command element
Attributes
DOM Interface
4.3.11.3 The bb element
Attributes
DOM Interface
4.3.11.4 The menu element
Attributes
DOM Interface

4.3.12 Miscellaneous Elements

4.3.12.1 The legend element
Attributes
DOM Interface
4.3.12.2 The div element
Attributes
DOM Interface

4.4 Microdata

5 Index of Elements

5.1 Conforming Elements

5.2 Obsolete Elements

5.3 Comparison of HTML 4.01 and HTML5 Elements

6 How to Read This Guide

6.1 Conventions

6.1.1 Notes, Tips and Warnings

6.1.2 Example Markup

6.1.2.1 Attributes
6.1.2.2 Void Elements
6.1.2.3 Namespaces