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<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<title>HTML Accessibility API Mappings 1.0</title>
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<body>
<section id="abstract">
<p>HTML Accessibility API Mappings (HTML-AAM) defines how <a class="termref">user agents</a> map <abbr title="HyperText Markup Language">HTML</abbr> [[HTML]] elements and attributes to platform <a class="termref" data-lt="accessibility API">accessibility application programming interfaces (<abbr title="Application Programming Interfaces">APIs</abbr>)</a>. It leverages and extends the [[[core-aam-1.2]]] and the [[[accname-aam-1.1]]] for use with the HTML host language. Documenting these mappings promotes interoperable exposure of roles, states, properties, and events implemented by accessibility APIs and helps to ensure that this information appears in a manner consistent with author intent.</p>
<p>The HTML-AAM is part of the <abbr title="Accessible Rich Internet Applications">WAI-ARIA</abbr> suite described in the <a href="https://www.w3.org/WAI/intro/aria.php"><abbr title="Accessible Rich Internet Application">WAI-ARIA</abbr> Overview</a>.</p>
</section>
<section id="sotd">
<p class="note"><strong>This document is subject to change without notice.</strong></p>
<p>This document was initially developed by and with the approval of the <a href="https://www.w3.org/WAI/PF/html-accessibility-tf.html">HTML Accessibility Taskforce</a>, a joint task force of the <a href="https://www.w3.org/WAI/PF/">Protocols and Formats Working Group</a> and the <a href="https://www.w3.org/html/wg/">HTML Working Group</a>. Work continued with the successor groups <a href="https://www.w3.org/WAI/ARIA/">Accessible Rich Internet Applications Working Group</a> and the <a href="https://www.w3.org/2019/webapps/">Web Applications Working Group</a>. The document is now maintained solely by the Web Applications WG, formerly the <a href="https://www.w3.org/WebPlatform/WG/">Web Platform WG</a>.</p>
</section>
<section id="intro" class="informative">
<h2>Introduction</h2>
<p>This specification defines how HTML user agents respond to and expose <a class="termref">role</a>, <a class="termref">state</a> and <a class="termref">property</a> information provided for Web content. Unless indicated otherwise, an HTML element or attribute with default [[[WAI-ARIA]]] semantics must be exposed to the platform <a class="termref">accessibility APIs</a> according to the relevant WAI-ARIA mappings defined in the [[[core-aam-1.2]]] ([[core-aam-1.2]]) specification.
<p>In some cases, often due to features of the HTML host language or the accessibility API in question, an element or attribute's mapping differs from the corresponding ARIA mappings specified in the [[core-aam-1.2]]. Where an HTML element or attribute does not have any default WAI-ARIA semantics, the applicable mapping for each platform <a class="termref">accessibility API</a> is defined by this specification.</p>
<p>This document also adapts the [[[accname-1.1]]] ([[accname-1.1]]) for deriving the <a class="termref">accessible names</a> and <a class="termref">accessible descriptions</a> of [[HTML]] elements, and provides accessible implementation examples for specific HTML elements and features.</p>
<p>Users often access HTML content using assistive technologies that rely on platform <a class="termref">accessibility <abbr title="Application Programming Interface">API</abbr></a> to obtain and interact with information from the page. This document is part of the following suite of accessibility API mapping specifications for content rendered by user agents: </p>
<ul>
<li>[[[accname-1.1]]]</li>
<li>[[[core-aam-1.2]]]</li>
<li>HTML Accessibility API Mappings 1.0 (this specification)</li>
<li>[[[svg-aam-1.0]]]</li>
</ul>
<section id="intro_aapi">
<h3>Accessibility APIs</h3>
<p><a class="termref">Accessibility APIs</a> covered by this document are:</p>
<ul>
<li><abbr title="Microsoft Active Accessibility">MSAA</abbr> with <cite><a href="https://wiki.linuxfoundation.org/accessibility/iaccessible2/start">IAccessible2 1.3</a></cite> [[IAccessible2]]</li>
<li><cite><a href="https://msdn.microsoft.com/en-us/library/ee684013%28VS.85%29.aspx">User Interface Automation</a></cite> [[UI-AUTOMATION]]</li>
<li><cite>Linux/GNOME <a href="https://developer.gnome.org/atk/stable/">ATK - Accessibility Toolkit</a></cite> [[ATK]] and <cite><a href="https://developer.gnome.org/libatspi/stable/">Assistive Technology Service Provider Interface</a></cite> [[AT-SPI]], referred to hereafter as "ATK/AT-SPI"</li>
<li><cite><a href="https://developer.apple.com/reference/appkit/nsaccessibility">Mac OS X Accessibility Protocol Mac OS 10.10</a></cite> [[AXAPI]]</li>
</ul>
<p>If user agent developers need to expose information using other <a class="termref">accessibility APIs</a>, it is recommended that they work closely with the developer of the platform where the API runs, and assistive technology developers on that platform.</p>
<p>For more information regarding <a class="termref">accessibility APIs</a>, refer to <a data-cite="core-aam-1.2/#intro_aapi">section 1.1 Accessibility APIs</a> of the [[[core-aam-1.2]]].</p>
</section>
</section>
<section id="conformance">
<p>The classification of a section as normative or non-normative applies to the entire section and all sub-sections of that section.</p>
<p>Normative sections provide requirements that authors, user agents, and assistive technologies MUST follow for an implementation to conform to this specification.</p>
<p>Non-normative sections provide information useful to understanding the specification. Such sections may contain examples of recommended practice, but it is not required to follow such recommendations in order to conform to this specification.</p>
<section id="deprecated">
<h3>Deprecated</h3>
<p>
There are currently no deprecated requirements.
</p>
</section>
</section>
<section id="glossary">
<h2>Important Terms</h2>
<div data-include="https://rawgit.com/w3c/aria/master/common/terms.html" data-oninclude="fixIncludes"></div>
</section>
<section>
<h2>Mapping HTML to Accessibility APIs</h2>
<section id="mapping_general">
<h3>General Rules for Exposing WAI-ARIA Semantics</h3>
<p class="note">
WAI-ARIA support was first introduced to HTML in [[HTML5]].
</p>
<p>
Where an HTML element or attribute has default WAI-ARIA semantics, it MUST be exposed to the platform <a class="termref">accessibility APIs</a> in a way that conforms to <a class="core-mapping" href="#mapping_general">General rules for exposing WAI-ARIA semantics</a> in the [[[core-aam-1.2]]].
</p>
</section>
<section id="mapping_conflicts">
<h3>Conflicts Between Native Markup Semantics and WAI-ARIA</h3>
<p>
Where the host language is [[HTML]], user agents MUST conform to <a class="core-mapping" href="#mapping_conflicts">Conflicts between native markup semantics and WAI-ARIA</a> in the [[[core-aam-1.2]]].
</p>
</section>
<section id="mapping_nodirect">
<h3>Exposing HTML Features That Do Not Directly Map to Accessibility APIs</h3>
<p>HTML may have features that are not supported by <a class="termref">accessibility APIs</a> at the time of publication. There is not a one to one relationship between all features and platform <a class="termref">accessibility APIs</a>. When HTML roles, states and properties do not directly map to an <a class="termref">accessibility API</a>, and there is a method in the API to expose a text string, user agents MUST expose the undefined role, states and properties via that method.</p>
<p>For HTML elements or attributes with default WAI-ARIA semantics, user agents MUST conform to <a class="core-mapping" href="#mapping_nodirect">Exposing attributes that do not directly map to accessibility <abbr title="application programming interface">API</abbr> properties</a> in the [[core-aam-1.2]].</p>
<section>
<h4>Other Accessibility Implementations</h4>
<section data-cite="HTML">
<h5>Use of MSAA VARIANT by Some <a class="termref">User Agents</a></h5>
<p>In MSAA, the value of an <a>accessible object</a>'s <a href="https://docs.microsoft.com/en-us/windows/desktop/WinAuto/role-property">Role property</a> is retrieved with the <a href="https://docs.microsoft.com/en-us/windows/desktop/api/oleacc/nf-oleacc-iaccessible-get_accrole">IAccessible::get_accRole method</a>. This method returns a <a href="https://docs.microsoft.com/en-us/windows/desktop/api/oaidl/ns-oaidl-tagvariant">VARIANT</a> that is limited to a finite number of <a href="https://docs.microsoft.com/en-us/windows/desktop/WinAuto/object-roles">integer role constants</a> insufficient for describing the role of every HTML element, especially new elements introduced by HTML. To address this limitation, some user agents, e.g., Firefox and Chrome in cooperation with some screen readers, have elected to expose certain roles by returning a string value (<a href="https://docs.microsoft.com/en-us/previous-versions/windows/desktop/automat/bstr">BSTR</a>) in that VARIANT in a way that is not described by the MSAA specification.</p>
<p>For example, Firefox returns the element's tag name as a BSTR for the following: <a>`abbr`</a>, <a>`address`</a>, <a>`aside`</a>, <a>`blockquote`</a>, <a>`canvas`</a>, <a>`caption`</a>, <a>`dd`</a>, <a>`div`</a>, <a>`figcaption`</a>, <a>`footer`</a>, <a>`form`</a>, <a data-cite="html/sections.html#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements">`h1`–`h6`</a>, <a>`header`</a>, <a>`iframe`</a>, <a data-cite="html/input.html#file-upload-state-(type=file)">`input type="file"`</a>, <a>`main`</a>, <a>`menu`</a>, <a>`nav`</a>, <a>`output`</a>, <a>`p`</a>, <a>`pre`</a>, <a>`q`</a>, <a>`section`</a>, <a>`time`</a>.</p>
<p>Similarly, Chrome returns the element's tag name for: <a>`blockquote`</a>, <a>`div`</a>, <a>`dl`</a>, <a>`figcaption`</a>, <a>`form`</a>, <a data-cite="html/sections.html#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements">`h1`–`h6`</a>, <a>`menu`</a>, <a>`meter`</a>, <a>`p`</a>, <a>`pre`</a>.</p>
</section>
<section>
<h5>Use of the DOM by Some Assistive Technologies</h5>
<p class="ednote">to do</p>
</section>
</section>
</section>
<section>
<h3>HTML Element Role Mappings</h3>
<p><strong>Notes:</strong></p>
<ul>
<li>HTML elements with default WAI-ARIA role semantics MUST be mapped to platform <a class="termref">accessibility APIs</a> according to those WAI-ARIA roles' mappings as defined in the [[core-aam-1.2]] specification.</li>
<li>A '?' in a cell indicates the data has yet to be provided.</li>
<li>"Not mapped" (Not Applicable) means the element does not need to be exposed via an <a class="termref">accessibility API</a>. This is usually because the element is not displayed as part of the user interface.</li>
<li>Where applicable, how an element participates in the computation of its own or another element's <a class="termref">accessible name</a> and/or <a class="termref">accessible description</a> is described in the <a href="#accessible-name-and-description-computation">Accessible Name and Description Computation</a> section below.</li>
<li>Where an element is indicated as having "No corresponding [WAI-ARIA] role", user agents MUST NOT expose the <a class="core-mapping" href="#ariaRoleDescription"><code>aria-roledescription</code></a> property value in the <a class="termref">accessibility tree</a> unless the element has an explicit, conforming `role` attribute value.</li>
<li><strong>IAccessible2:</strong>
<ul>
<li>All elements with accessible objects should implement the IAccessible, IAccessible2 and IAccessible2_2 interfaces.</li>
</ul>
</li>
<li><strong>UIA:</strong>
<ul>
<li>When a <a href="https://www.w3.org/TR/html/sec-forms.html#labelable-element">labelable element</a> is referenced by a `label` element's `for` attribute, or a descendant of a `label` element, the labelable element's UIA `LabeledBy` property points to the UIA element for the `label` element.</li>
<li>Elements mapped to the `Text` Control Type are not generally represented as <a class="termref" data-lt="accessible object">accessible objects</a> in the <a class="termref">accessibility tree</a>, but are just part of the `Text` Control Pattern implemented for the whole HTML document. However, if they have any `aria-` attributes or an explicit `tabindex` specified, elements mapped to the `Text` Control Type will be represented as <a class="termref" data-lt="accessible object">accessible objects</a> in the <a class="termref">accessibility tree</a>.</li>
</ul>
</li>
<li><strong>AXAPI:</strong>
<ul>
<li>User agents should return a user-presentable, localized string value for the Mac Accessibility AXRoleDescription.</li>
</ul>
</li>
</ul>
<div class="table-container">
<table class="map-table elements" id="element-mapping-table">
<caption>Mappings of HTML elements to platform <a class="termref">accessibility APIs</a>: ARIA, MSAA + UIA Express, MSAA + IAccessible2, UIA, ATK, and AX</caption>
<thead>
<tr>
<th>Element</th>
<th>[[wai-aria-1.1]]</th>
<th><a href="https://msdn.microsoft.com/en-us/library/dd373608%28v=VS.85%29.aspx">MSAA</a> + <a href="http://accessibility.linuxfoundation.org/a11yspecs/ia2/docs/html/">IAccessible2</a></th>
<th><a href="https://msdn.microsoft.com/en-us/library/ms726297%28v=VS.85%29.aspx">UIA</a></th>
<th><a href="https://developer.gnome.org/atk/stable/">ATK</a></th>
<th><a href="https://developer.apple.com/reference/appkit/nsaccessibility">AX</a></th>
<th>Comments</th>
</tr>
</thead>
<tbody>
<tr tabindex="-1" id="el-a">
<th>
<a data-cite="HTML">`a`</a>
<span class="el-context">(represents a <a data-cite="html">hyperlink</a>)</span>
</th>
<td class="aria"><a class="core-mapping" href="#role-map-link">`link`</a> role </td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-a-parentmenu">
<th>
<a data-cite="HTML">`a`</a>
<span class="el-context">(represents a <a data-cite="html">hyperlink</a> and parent is a menu)</span>
</th>
<td class="aria"><a class="core-mapping" href="#role-map-menuitem">`menuitem`</a> role </td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-a-nohref">
<th>
<a data-cite="HTML">`a`</a>
<span class="el-context">(no <a data-cite="html/links.html#attr-hyperlink-href">`href`</a> attribute)</span>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Roles:</span> `ROLE_SYSTEM_TEXT`; `IA2_ROLE_TEXT_FRAME`
</div>
<div class="ifaces">
<span class="type">Interfaces:</span>
`IAccessibleHyperlink`; `IAccessibleText2`; `IAccessibleHypertext2`;
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Text`
</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role:</span>
`ATK_ROLE_STATIC`
</div>
<div class="ifaces">
<span class="type">Interfaces:</span>
`AtkText`; `AtkHypertext`
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"group"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-abbr">
<th><a data-cite="HTML">`abbr`</a></th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Roles:</span> `ROLE_SYSTEM_TEXT`; `IA2_ROLE_TEXT_FRAME`
</div>
<div class="objattrs">
<span class="type">Object attributes:</span>
"abbr" attribute on the containing <a href="#el-td">`td`</a> if a single child, text content used as a value
</div>
<div class="ifaces">
<span class="type">Interfaces:</span>
`IAccessibleText2`; `IAccessibleHypertext2`;
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Text`
</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role:</span> `ATK_ROLE_STATIC`
</div>
<div class="objattrs">
<span class="type">Object attributes:</span>
"abbr" attribute on the containing <a href="#el-td"><code>td</code></a> if a single child, text content used as a value
</div>
<div class="ifaces">
<span class="type">Interfaces:</span> `AtkText`; `AtkHypertext`
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"group"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-address">
<th><a data-cite="HTML">`address`</a></th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Roles:</span>
`ROLE_SYSTEM_GROUPING`; `IA2_ROLE_SECTION`
</div>
<div class="ifaces">
<span class="type">Interfaces:</span>
`IAccessibleText2`; `IAccessibleHypertext2`;
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Group`
</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role:</span> `ATK_ROLE_SECTION`
</div>
<div class="ifaces">
<span class="type">Interfaces:</span> `AtkText`; `AtkHypertext`
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"group"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-area">
<th>
<a data-cite="HTML">`area`</a>
<span class="el-context">(represents a <a data-cite="HTML">hyperlink</a>)</span>
</th>
<td class="aria">
<a class="core-mapping" href="#role-map-link">`link`</a> role
</td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-area-nohref">
<th>
<a data-cite="HTML">`area`</a>
<span class="el-context">(no <a data-cite="html/links.html#attr-hyperlink-href">`href`</a> attribute)</span>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Roles:</span> `ROLE_SYSTEM_TEXT`; `IA2_ROLE_SHAPE`
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Text`
</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role:</span> `ATK_ROLE_STATIC`
</div>
</td>
<td class="ax"><div class="general">Not mapped</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-article">
<th>
<a data-cite="HTML">`article`</a>
</th>
<td class="aria">
<a class="core-mapping" href="#role-map-article">`article`</a> role
</td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-aside">
<th>
<a data-cite="HTML">`aside`</a>
</th>
<td class="aria">
<a class="core-mapping" href="#role-map-complementary">`complementary`</a> role
</td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia">
<div class="general">Use WAI-ARIA mapping</div>
<div class="ctrltype"><span class="type">Localized Control Type:</span> `"aside"`</div>
</td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-audio">
<th>
<a data-cite="HTML">`audio`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Role: </span>
<code>ROLE_SYSTEM_GROUPING</code>
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type: </span><code>Group</code>
</div>
<div class="ctrltype"><span class="type">Localized Control Type:</span> <code>"audio"</code></div>
<div class="general"><b>Note:</b> If the <a href="https://www.w3.org/TR/html/semantics.html#attr-media-controls"><code>controls</code></a> attribute is present, UI controls (e.g. play, volume) are exposed as children of the <a href="https://www.w3.org/TR/html/semantics-embedded-content.html#the-audio-element"><code>audio</code></a> element in the <a class="termref">accessibility tree</a>, and mapped as appropriate for the type of control (e.g. <a class="core-mapping" href="#role-map-button"><code>button</code></a> or <a class="core-mapping" href="#role-map-slider"><code>slider</code></a>).</div>
<div class="general">Text objects associated with loading or error messages, and any UI control not currently displayed, MAY be present in the <a class="termref">accessibility tree</a> and marked as hidden or off-screen.</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role: </span> `ATK_ROLE_AUDIO`
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `AXAudio`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"audio playback"`
</div>
<div class="general">
<b>Note:</b> If the <a href="https://www.w3.org/TR/html/semantics.html#attr-media-controls">`controls`</a> attribute is present, UI controls (e.g. play, volume) are exposed as descendants of an <a class="termref">accessible object</a> with a role of <a class="core-mapping" href="#role-map-toolbar">`toolbar`</a>, and mapped as appropriate for the type of control (e.g. <a class="core-mapping" href="#role-map-button">`button`</a> or <a class="core-mapping" href="#role-map-slider">`slider`</a>).
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-b">
<th>
<a data-cite="HTML">`b`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="general">
No accessible object. Exposed as "font-weight" text attribute on the text container. The value depends on the platform.
</div>
</td>
<td class="uia">
<div class="general">
No accessible object. Exposed by the `FontWeight` attribute of the `TextRange` Control Pattern implemented on a parent accessible object.
</div>
</td>
<td class="atk">
<div class="general">
No accessible object. Exposed as "font-weight" text attribute on the text container. The value depends on the platform.
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"group"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-base">
<th>
<a data-cite="HTML">`base`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2"><div class="general">Not mapped</div></td>
<td class="uia"><div class="general">Not mapped</div></td>
<td class="atk"><div class="general">Not mapped</div></td>
<td class="ax"><div class="general">Not mapped</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-bdi">
<th>
<a data-cite="HTML">`bdi`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="general">
No accessible object. May affect on "writing-mode" text attribute on its text container.
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Text`
</div>
</td>
<td class="atk">
<div class="general">
No accessible object. May affect on "writing-mode" text attribute on its text container.
</div>
</td>
<td class="ax"></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-bdo">
<th>
<a data-cite="HTML">`bdo`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Role:</span> `ROLE_SYSTEM_TEXT`
</div>
<div class="properties">
<span class="type">Text attributes:</span> `writing-mode` on the text container
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Text`
</div>
</td>
<td class="atk">
<div class="general">
No accessible object. Exposed as "writing-mode" text attribute on its text container.
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"group"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-blockquote">
<th>
<a data-cite="HTML">`blockquote`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Roles: </span><code>ROLE_SYSTEM_GROUPING</code>; <code>IA2_ROLE_SECTION</code>
</div>
<div class="ifaces">
<span class="type">Interfaces: </span>
<code>IAccessibleText2</code>; <code>IAccessibleHypertext2</code>;
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type: </span><code>Group</code>
</div>
<div class="ctrltype"><span class="type">Localized Control Type:</span> <code>"blockquote"</code></div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role: </span>
<code>ATK_ROLE_BLOCK_QUOTE</code>
</div>
<div class="ifaces">
<span class="type">Interfaces: </span>
<code>AtkText</code>; <code>AtkHypertext</code>
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole: </span><code>AXGroup</code>
</div>
<div class="subrole">
<span class="type">AXSubrole: </span><code>(nil)</code>
</div>
<div class="roledesc">
<span class="type">AXRoleDescription: </span><code>"group"</code>
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-body">
<th>
<a data-cite="HTML">`body`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Roles:</span> `ROLE_SYSTEM_DOCUMENT`
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Pane`
</div>
<div class="ctrltype">
<span class="type">Localized Control Type:</span> `"pane"`
</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role:</span> `ATK_ROLE_DOCUMENT_WEB`
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXWebArea`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"HTML content"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-br">
<th><a data-cite="HTML">`br`</a></th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="general">No accessible object. Exposed as '\n' character
via <code>IAccessibleText2</code> interface on the text container.
</div>
</td>
<td class="uia"><div class="general">Not mapped</div></td>
<td class="atk">
<div class="general">No accessible object. Exposed as '\n' character
via <code>AtkText</code> interface on the text container.
</div>
</td>
<td class="ax"><div class="general">Not mapped</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-button">
<th>
<a data-cite="HTML">`button`</a>
</th>
<td class="aria">
<a class="core-mapping" href="#role-map-button"><code>button</code></a> role
</td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-canvas">
<th>
<a data-cite="HTML">`canvas`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Roles: </span><code>ROLE_SYSTEM_GRAPHIC</code>; <code>IA2_ROLE_CANVAS</code>
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type: </span><code>Image</code>
</div>
<div class="general">
Descendants of the <code>canvas</code> element are mapped separately.
</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role: </span>
<code>ATK_ROLE_CANVAS</code>
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole: </span><code>AXGroup</code>
</div>
<div class="subrole">
<span class="type">AXSubrole: </span><code>(nil)</code>
</div>
<div class="roledesc">
<span class="type">AXRoleDescription: </span><code>""</code>
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-caption">
<th>
<a data-cite="HTML">`caption`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Roles:</span> `ROLE_SYSTEM_TEXT`; `IA2_ROLE_CAPTION`
</div>
<div class="states">
<span class="type">States:</span> `STATE_SYSTEM_READONLY`
</div>
<div class="relations">
<span class="type">Relations:</span>
`IA2_RELATION_LABEL_FOR` with parent <a href="#el-table">`table`</a>
</div>
<div class="ifaces">
<span class="type">Interfaces:</span> `IAccessibleText2`; `IAccessibleHypertext2`;
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Text`
</div>
<div class="properties">
<span class="type">Other properties:</span> The `LabeledBy` property for the parent <a href="#el-table">`table`</a> element points to the UIA element for the `caption` element
</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role:</span> `ATK_ROLE_CAPTION`
</div>
<div class="relations">
<span class="type">Relations:</span>
`ATK_RELATION_LABEL_FOR` with parent <a href="#el-table">`table`</a>
</div>
<div class="ifaces">
<span class="type">Interfaces:</span> `AtkText`; `AtkHypertext`
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"group"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-cite">
<th>
<a data-cite="HTML">`cite`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="general">
No accessible object. Styles used are mapped into text attributes on its text container.
</div>
</td>
<td class="uia">
<div class="general">
No accessible object. Styles used are exposed by UIA text attributes of the `TextRange` Control Pattern implemented on a parent accessible object.
</div>
</td>
<td class="atk">
<div class="general">
No accessible object. Styles used are mapped into text attributes on its text container.
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"group"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-code">
<th>
<a data-cite="HTML">`code`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="general">
No accessible object. Styles used are mapped into text attributes on its text container.
</div>
</td>
<td class="uia">
<div class="general">
No accessible object. Styles used are exposed by UIA text attributes of the `TextRange` Control Pattern implemented on a parent accessible object.
</div>
</td>
<td class="atk">
<div class="general">
No accessible object. Styles used are mapped into text attributes on its text container.
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `(nil)`
</div>
<div class="roledesc">
<span class="type">AXRoleDescription:</span> `"group"`
</div>
</td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-col">
<th>
<a data-cite="HTML">`col`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2"><div class="general">Not mapped</div></td>
<td class="uia"><div class="general">Not mapped</div></td>
<td class="atk"><div class="general">Not mapped</div></td>
<td class="ax"><div class="general">Not mapped</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-colgroup">
<th>
<a data-cite="HTML">`colgroup`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Role:</span> `ROLE_SYSTEM_GROUPING`
</div>
</td>
<td class="uia">
<div class="general">
<div class="ctrltype">
<span class="type">Control Type:</span> `Group`
</div>
<div class="ctrltype">
<span class="type">Localized Control Type:</span> `"colgroup"`
</div>
</div>
</td>
<td class="atk"><div class="general">Not mapped</div></td>
<td class="ax"><div class="general">Not mapped</div></td>
<td class="comments"></td>
</tr>
<!--<tr tabindex="-1" id="el-command-checkbox">
<th>Command: <span class="el-context">an element that <a href="https://www.w3.org/TR/html/interactive-elements.html#menuitem-defines-a-command">defines a command</a>, whose <a href="https://www.w3.org/TR/html/sec-forms.html#element-statedef-input-checkbox">Type</a> facet is "checkbox", and that is a descendant of a <a href="https://www.w3.org/TR/html/interactive-elements.html#the-menu-element"><code>menu</code></a> element whose <a href="https://www.w3.org/TR/html/interactive-elements.html#element-attrdef-menu-type"><code>type</code></a> attribute is in the <a href="https://www.w3.org/TR/html/interactive-elements.html#attr-valuedef-menu-type-context">context</a> state</span></th>
<td class="aria"><a class="core-mapping" href="#role-map-menuitemcheckbox"><code>menuitemcheckbox</code></a> role, with the <a class="core-mapping" href="#ariaCheckedTrue"><code>aria-checked</code></a> state set to "true" if the command's <a href="https://www.w3.org/TR/html/sec-forms.html#forms-checkedness">Checked State</a> facet is true, and "false" otherwise </td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-command-command">
<th>Command: <span class="el-context">an element that <a href="https://www.w3.org/TR/html52/semantics.html#commands">defines a command</a>, whose <a href="https://www.w3.org/TR/html52/semantics.html#command-facet-type">Type</a> facet is "command", and that is a descendant of a <a href="https://www.w3.org/TR/html52/semantics.html#the-menu-element"><code>menu</code></a> element whose <a href="https://www.w3.org/TR/html52/semantics.html#attr-menu-type"><code>type</code></a> attribute is in the <a href="https://www.w3.org/TR/html52/semantics.html#toolbar-state">toolbar</a> state</span></th>
<td class="aria"><a class="core-mapping" href="#role-map-menuitem"><code>menuitem</code></a> role </td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-command-radio">
<th>Command: <span class="el-context">an element that <a href="https://www.w3.org/TR/html52/semantics.html#commands">defines a command</a>, whose <a href="https://www.w3.org/TR/html52/semantics.html#command-facet-type">Type</a> facet is "radio", and that is a descendant of a <a href="https://www.w3.org/TR/html52/semantics.html#the-menu-element"><code>menu</code></a> element whose <a href="https://www.w3.org/TR/html52/semantics.html#attr-menu-type"><code>type</code></a> attribute is in the <a href="https://www.w3.org/TR/html52/semantics.html#toolbar-state">toolbar</a> state</span></th>
<td class="aria"><a class="core-mapping" href="#role-map-menuitemradio"><code>menuitemradio</code></a> role, with the <a class="core-mapping" href="#ariaCheckedTrue"><code>aria-checked</code></a> state set to "true" if the command's <a href="https://www.w3.org/TR/html52/semantics.html#command-facet-checkedstate">Checked State</a> facet is true, and "false" otherwise </td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>-->
<tr tabindex="-1" id="el-data">
<th>
<a data-cite="HTML">`data`</a>
</th>
<td class="aria"></td>
<td class="ia2"><div class="general">Not mapped</div></td>
<td class="uia"><div class="general">Not mapped</div></td>
<td class="atk"><div class="general">Not mapped</div></td>
<td class="ax"><div class="general">Not mapped</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-datalist">
<th>
<a data-cite="HTML">`datalist`</a>
(represents pre-defined options for `input` element)
</th>
<td class="aria">
<a class="core-mapping" href="#role-map-listbox">`listbox`</a> role, with the <a class="core-mapping" href="#ariaMultiselectableFalse">`aria-multiselectable`</a> property set to "true" if the `datalist`'s selection model allows multiple `option` elements to be selected at a time, and "false" otherwise</td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments">
If `datalist` is not linked to a proper `input` element, then `datalist` element is not mapped to accessibility APIs.
</td>
</tr>
<tr tabindex="-1" id="el-dd">
<th>
<a data-cite="HTML">`dd`</a>
</th>
<td class="aria">
<a class="core-mapping" href="#role-map-definition">`definition`</a> role
</td>
<td class="ia2"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="uia"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="atk"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
<td class="comments"></td>
</tr>
<tr tabindex="-1" id="el-del">
<th>
<a data-cite="HTML">`del`</a>
</th>
<td class="aria">No corresponding role</td>
<td class="ia2">
<div class="role">
<span class="type">Role:</span> `IA2_ROLE_CONTENT_DELETION`
</div>
</td>
<td class="uia">
<div class="ctrltype">
<span class="type">Control Type:</span> `Text`
</div>
<div class="ctrltype">
<span class="type">Localized Control Type:</span> `"del"`
</div>
</td>
<td class="atk">
<div class="role">
<span class="type">Role:</span> `ATK_ROLE_CONTENT_DELETION`
</div>
<div class="objattrs">
<span class="type">Object attributes: </span><code>xml-roles:deletion</code>
</div>
</td>
<td class="ax">
<div class="role">
<span class="type">AXRole:</span> `AXGroup`
</div>
<div class="subrole">
<span class="type">AXSubrole:</span> `AXDeleteStyleGroup`
</div>