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class="sidebar-filter-container"><div class="sidebar-filter "><label id="sidebar-filter-label" class="sidebar-filter-label" for="sidebar-filter-input"><span class="icon icon-filter"></span><span class="visually-hidden">Filter sidebar</span></label><input id="sidebar-filter-input" autoComplete="off" class="sidebar-filter-input-field false" type="text" placeholder="Filter" value=""/><button type="button" class="button action has-icon clear-sidebar-filter-button"><span class="button-wrap"><span class="icon icon-cancel "></span><span class="visually-hidden">Clear filter input</span></span></button></div></section></header><div class="sidebar-inner-nav"><div class="in-nav-toc"><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">在本文中</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#主要教程">主要教程</a></li><li class="document-toc-item "><a class="document-toc-link" href="#其他文章">其他文章</a></li><li class="document-toc-item "><a class="document-toc-link" href="#参见">参见</a></li></ul></section></div></div><div class="sidebar-body"><ol><li class="section"><em><a href="/zh-CN/docs/Web/Accessibility" aria-current="page">无障碍</a></em></li><li><details><summary>指南</summary><ol><li><a href="/zh-CN/docs/Web/Accessibility/Information_for_Web_authors">Web 作者的无障碍信息</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Accessibility:_What_users_can_to_to_browse_safely">无障碍：用户如何更安全地浏览网页</a></li><li><a href="/zh-CN/docs/Web/Accessibility/An_overview_of_accessible_web_applications_and_widgets">无障碍 Web 应用和微件概述</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Keyboard-navigable_JavaScript_widgets">键盘导航的 JavaScript 微件</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Mobile_accessibility_checklist">移动无障碍清单</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG">理解 Web 内容无障碍指南</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Cognitive_accessibility">认知无障碍</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Accessibility_and_Spacial_Patterns">无障碍和空间模式</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_Colors_and_Luminance">Web 无障碍：理解颜色和亮度</a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/Accessibility/Seizure_disorders">Web accessibility for seizures and physical reactions</a></li></ol></details></li><li><details><summary>学习无障碍</summary><ol><li><a href="/zh-CN/docs/Learn/Accessibility">无障碍</a></li><li><a href="/zh-CN/docs/Learn/Accessibility/What_is_accessibility">什么是无障碍？</a></li><li><a href="/zh-CN/docs/Learn/Accessibility/HTML">HTML：无障碍的良好基础</a></li><li><a href="/zh-CN/docs/Learn/Accessibility/CSS_and_JavaScript">CSS 和 JavaScript 无障碍最佳实践</a></li><li><a href="/zh-CN/docs/Learn/Accessibility/WAI-ARIA_basics">WAI-ARIA 基础</a></li><li><a href="/zh-CN/docs/Learn/Accessibility/Multimedia">多媒体无障碍</a></li><li><a href="/zh-CN/docs/Learn/Accessibility/Mobile">移动端无障碍</a></li><li><a href="/zh-CN/docs/Learn/Accessibility/Accessibility_troubleshooting">测验：无障碍疑难解答</a></li></ol></details></li><li><details><summary>WCAG</summary><ol><ol><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG">理解 Web 内容无障碍指南</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Keyboard">Keyboard</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Operable">Operable</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Perceivable">Perceivable</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Robust">Robust</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Text_labels_and_names">Text labels and names</a></li><li><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Understandable">Understandable</a></li></ol></ol></details></li><li class="section"><a href="/zh-CN/docs/Web/Accessibility/ARIA">ARIA</a></li><li><details><summary>ARIA 指南</summary><ol><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/ARIA_Guides">ARIA 指南</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/ARIA_Live_Regions">ARIA 实时区域</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/ARIA_Screen_Reader_Implementors_Guide">ARIA 屏幕阅读器实现指南</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/ARIA_Techniques">使用 ARIA：角色、状态和属性</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Multipart_labels">多部分标签：使用嵌入字段的标签的 ARIA</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/How_to_file_ARIA-related_bugs">如何提交与 ARIA 相关的错误</a></li></ol></details></li><li><details><summary>ARIA 状态及属性</summary><ol><ol><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes">ARIA 状态及属性</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-activedescendant">aria-activedescendant</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-atomic">aria-atomic</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-autocomplete">aria-autocomplete</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-braillelabel">aria-braillelabel</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-brailleroledescription">aria-brailleroledescription</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-busy">aria-busy</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-checked">aria-checked</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-colcount">aria-colcount</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-colindex">aria-colindex</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-colindextext">aria-colindextext</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-colspan">aria-colspan</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-controls">aria-controls</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-current">aria-current</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-describedby">aria-describedby</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-description">aria-description</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-details">aria-details</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-disabled">aria-disabled</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-dropeffect">aria-dropeffect</a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-errormessage">aria-errormessage</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-expanded">aria-expanded</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-flowto">aria-flowto</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-grabbed">aria-grabbed</a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-haspopup">aria-haspopup</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-hidden">aria-hidden</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-invalid">aria-invalid</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-keyshortcuts">aria-keyshortcuts</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-label">aria-label</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-labelledby">aria-labelledby</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-level">aria-level</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-live">aria-live</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-modal">aria-modal</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-multiline">aria-multiline</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-multiselectable">aria-multiselectable</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-orientation">aria-orientation</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-owns">aria-owns</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-placeholder">aria-placeholder</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-posinset">aria-posinset</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-pressed">aria-pressed</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-readonly">aria-readonly</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-relevant">aria-relevant</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-required">aria-required</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-roledescription">aria-roledescription</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-rowcount">aria-rowcount</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-rowindex">aria-rowindex</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-rowindextext">aria-rowindextext</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-rowspan">aria-rowspan</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-selected">aria-selected</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-setsize">aria-setsize</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-sort">aria-sort</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-valuemax">aria-valuemax</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-valuemin">aria-valuemin</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-valuenow">aria-valuenow</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-valuetext">aria-valuetext</a></li></ol></ol></details></li><li><details><summary>ARIA 角色</summary><ol><ol><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles">WAI-ARIA 角色</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/alert_role">ARIA: alert role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/alertdialog_role">ARIA: alertdialog role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/application_role">ARIA: application role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/article_role">ARIA: article role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/banner_role">ARIA: banner role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/button_role">ARIA：button 角色</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/cell_role">ARIA: cell role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/checkbox_role">ARIA: checkbox role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/columnheader_role">ARIA: columnheader role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/combobox_role">ARIA: combobox role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/command_role">ARIA: command role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/comment_role">ARIA: comment role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/complementary_role">ARIA: complementary role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/composite_role">ARIA: composite role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/contentinfo_role">ARIA: contentinfo role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/definition_role">ARIA: definition role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/dialog_role">ARIA: dialog role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/directory_role">ARIA: directory role</a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/document_role">ARIA: document role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/structural_roles">ARIA: document structural roles</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/feed_role">ARIA: feed role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/figure_role">ARIA: figure role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/form_role">ARIA: form role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/generic_role">ARIA: generic role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/grid_role">ARIA: grid role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/gridcell_role">ARIA: gridcell role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/group_role">ARIA：group 角色</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/heading_role">ARIA: heading role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/img_role">ARIA: img role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/input_role">ARIA: input role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/landmark_role">ARIA: landmark role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/link_role">ARIA: link role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/list_role">ARIA：list 角色</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/listbox_role">ARIA：listbox 角色</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/listitem_role">ARIA：listitem 角色</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/log_role">ARIA: log role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/main_role">ARIA: main role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/mark_role">ARIA: mark role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/marquee_role">ARIA: marquee role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/math_role">ARIA: math role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/menu_role">ARIA: menu role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/menubar_role">ARIA: menubar role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/menuitem_role">ARIA: menuitem role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/menuitemcheckbox_role">ARIA: menuitemcheckbox role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/menuitemradio_role">ARIA: menuitemradio role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/meter_role">ARIA: meter role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/navigation_role">ARIA: navigation role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/none_role">ARIA: none role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/note_role">ARIA: note role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/option_role">ARIA: option role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/presentation_role">ARIA: presentation role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/progressbar_role">ARIA: progressbar role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/radio_role">ARIA: radio role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/radiogroup_role">ARIA: radiogroup role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/range_role">ARIA: range role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/region_role">ARIA: region role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/roletype_role">ARIA: roletype role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/row_role">ARIA: row role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/rowgroup_role">ARIA: rowgroup role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/rowheader_role">ARIA: rowheader role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/scrollbar_role">ARIA: scrollbar role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/search_role">ARIA: search role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/searchbox_role">ARIA: searchbox role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/section_role">ARIA: section role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/sectionhead_role">ARIA: sectionhead role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/select_role">ARIA: select role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/separator_role">ARIA: separator role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/slider_role">ARIA: slider role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/spinbutton_role">ARIA: spinbutton role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/status_role">ARIA: status role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/structure_role">ARIA: structure role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/suggestion_role">ARIA: suggestion role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/switch_role">ARIA: switch role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/tab_role">ARIA: tab role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/table_role">ARIA: table role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/tablist_role">ARIA: tablist role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/tabpanel_role">ARIA: tabpanel role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/term_role">ARIA: term role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/textbox_role">ARIA: textbox role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/timer_role">ARIA: timer role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/toolbar_role">ARIA: toolbar role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/tooltip_role">ARIA: tooltip role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/tree_role">ARIA: tree role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/treegrid_role">ARIA: treegrid role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/treeitem_role">ARIA: treeitem role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/widget_role">ARIA: widget role</a></li><li><a href="/zh-CN/docs/Web/Accessibility/ARIA/Roles/window_role">ARIA：window 角色</a></li></ol></ol></details></li></ol></div></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">在本文中</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#主要教程">主要教程</a></li><li class="document-toc-item "><a class="document-toc-link" href="#其他文章">其他文章</a></li><li class="document-toc-item "><a class="document-toc-link" href="#参见">参见</a></li></ul></section></div></nav></aside><section class="place side"></section></div></div><main id="content" class="main-content "><article class="main-page-content" lang="zh-CN"><header><h1>无障碍</h1></header><div class="section-content"><p><strong>无障碍</strong>（Accessibility，常被缩写为 <strong>A11y</strong>，因为它以“a”开头，后跟 11 个字母，以“y”结尾）在 web 开发中意味着使尽可能多的人能够使用网站，即使有些用户的能力在某种程度上受限。</p> <p>对大多数人来说，技术让生活更便捷。而对于有障碍的人群，技术使一切皆有可能。无障碍化意味着设计出尽可能没有使用障碍的内容，无论访问者的身体情况、认知能力以及他们访问 web 的方式是怎样的。</p> <p>“<strong>Web 从根本上是为所有人设计的</strong>，无论他们的硬件、软件、语言、位置或能力如何。当 web 达到这一目标时，具有不同听力、运动、视觉和认知能力的人都可以访问它。”（<a href="https://www.w3.org/standards/webdesign/accessibility" class="external" target="_blank">W3C——无障碍</a>）</p></div><section aria-labelledby="主要教程"><h2 id="主要教程"><a href="#主要教程">主要教程</a></h2><div class="section-content"><p>MDN <a href="/zh-CN/docs/Learn/Accessibility">无障碍学习区</a>包含现代的最新教程，涵盖以下无障碍性要点：</p> <dl> <dt id="什么是无障碍？"><a href="/zh-CN/docs/Learn/Accessibility/What_is_accessibility">什么是无障碍？</a></dt> <dd> <p>这篇文章很好地初步介绍了无障碍化的实际情况——包括我们需要考虑哪些人群以及为什么，不同的人用什么工具与 Web 进行交互，以及如何在网站开发的流程中加入无障碍设计。</p> </dd> <dt id="html：无障碍性的良好基础"><a href="/zh-CN/docs/Learn/Accessibility/HTML">HTML：无障碍性的良好基础</a></dt> <dd> <p>只需确保以恰当的方式使用正确的 HTML 元素，很多 web 内容就能实现无障碍化。本文详细介绍如何使用 HTML 来实现最大程度的无障碍化。</p> </dd> <dt id="css_和_javascript_无障碍最佳做法"><a href="/zh-CN/docs/Learn/Accessibility/CSS_and_JavaScript">CSS 和 JavaScript 无障碍最佳做法</a></dt> <dd> <p>如果使用得当，CSS 和 JavaScript 也能提供无障碍的 web 体验。倘若误用，无障碍性会明显受损。本文列出了一些 CSS 和 JavaScript 最佳实践，即使是复杂的内容，也能尽可地确保无障碍。</p> </dd> <dt id="wai-aria_基础知识"><a href="/zh-CN/docs/Learn/Accessibility/WAI-ARIA_basics">WAI-ARIA 基础知识</a></dt> <dd> <p>如前文所述，在涉及无语义 HTML 和 JavaScript 动态更新的内容时，制作复杂的 UI 控件可能很困难。借助 WAI-ARIA 技术来添加额外的语义，使得浏览器和无障碍技术可以识别和使用这些控件，并让用户了解网页实际情况。这里我们将介绍这种技术的基础知识，并用它改善无障碍性。</p> </dd> <dt id="多媒体无障碍化"><a href="/zh-CN/docs/Learn/Accessibility/Multimedia">多媒体无障碍化</a></dt> <dd> <p>多媒体也是一类可能需要无障碍化的内容——视频、音频、图像等都需要给出适当的文本替代，以便可以被辅助性技术及其用户来理解。本文就介绍了以上内容。</p> </dd> <dt id="移动设备的无障碍"><a href="/zh-CN/docs/Learn/Accessibility/Mobile">移动设备的无障碍</a></dt> <dd> <p>使用移动设备访问 web 越来越流行，而同时，iOS、Android 等主流移动平台也拥有日趋完善的辅助工具，让你的网站内容在这些平台上做到无障碍化自然很重要。本文将介绍移动设备领域的无障碍化注意事项。</p> </dd> </dl></div></section><section aria-labelledby="其他文章"><h2 id="其他文章"><a href="#其他文章">其他文章</a></h2><div class="section-content"><dl> <dt id="了解_web_内容无障碍功能指南"><a href="/zh-CN/docs/Web/Accessibility/Understanding_WCAG">了解 Web 内容无障碍功能指南</a></dt> <dd> <p>这组文章提供了快速解释，以帮助你了解需要采取的步骤，以符合 W3C web 内容无障碍指南 2.0（WCAG 2.0 或简称 WCAG，出于撰文需要）的建议。</p> </dd> <dt id="色彩与无障碍简介"><a href="/zh-CN/docs/Web/Accessibility/Understanding_Colors_and_Luminance">色彩与无障碍简介</a></dt> <dd> <p>本文探讨了我们对于亮度和色彩的感知，并提供了如何在无障碍设计中使用色彩的基础知识，也演示了视觉与可读内容的最佳实践。</p> </dd> <dt id="可通过键盘导航的_javascript_小部件"><a href="/en-US/docs/Web/Accessibility/Keyboard-navigable_JavaScript_widgets" class="only-in-en-us" title="此页面目前仅提供英文版本">可通过键盘导航的 JavaScript 小部件</a></dt> <dd> <p>直到目前，web 开发人员仍缺乏合适的技术使基于 <code><div></code> 和 <code><span></code> 的自定义组件无障碍化。<strong>对键盘的无障碍性</strong>是最基础的无障碍要求之一，开发者应当了解这一内容。</p> </dd> <dt id="aria"><a href="/en-US/docs/Web/Accessibility/ARIA" class="only-in-en-us" title="此页面目前仅提供英文版本">ARIA</a></dt> <dd> <p>学习如何利用无障碍富互联网应用（Accessible Rich Internet Application）使你的 HTML 文档进一步无障碍化的一组文章。</p> </dd> <dt id="移动无障碍化清单"><a href="/zh-CN/docs/Web/Accessibility/Mobile_accessibility_checklist">移动无障碍化清单</a></dt> <dd> <p>本文档向移动应用开发者提供了实现无障碍化所需内容的简明清单。</p> </dd> <dt id="认知无障碍"><a href="/zh-CN/docs/Web/Accessibility/Cognitive_accessibility">认知无障碍</a></dt> <dd> <p>本文说明了如何确保你创造的 web 内容对认知障碍群体是无障碍的。</p> </dd> <dt id="对癫痫症患者的无障碍"><a href="/en-US/docs/Web/Accessibility/Seizure_disorders" class="only-in-en-us" title="此页面目前仅提供英文版本">对癫痫症患者的无障碍</a></dt> <dd> <p>对于伴有特定脑部缺陷的群体，web 上的某些视觉内容可能导致他们出现癫痫症状。本文可以帮助你理解哪一类内容会有这些问题，并提供了避开这些问题的策略与工具。</p> </dd> </dl></div></section><section aria-labelledby="参见"><h2 id="参见"><a href="#参见">参见</a></h2><div class="section-content"><ul> <li><a href="https://www.w3.org/WAI/about/groups/waiig/" class="external" target="_blank">WAI 兴趣组</a></li> <li><a href="/zh-CN/docs/Web/Guide">开发者指南</a></li> </ul></div></section></article><aside class="article-footer"><div class="article-footer-inner"><div class="svg-container"><svg 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Content available under <a href="/zh-CN/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/zh-CN/docs/Web/Accessibility","doc":{"isMarkdown":true,"isTranslated":true,"isActive":true,"flaws":{},"title":"无障碍","mdn_url":"/zh-CN/docs/Web/Accessibility","locale":"zh-CN","native":"中文 (简体)","sidebarHTML":"<ol><li class=\"section\"><em><a href=\"/zh-CN/docs/Web/Accessibility\" aria-current=\"page\">无障碍</a></em></li><li><details><summary>指南</summary><ol><li><a href=\"/zh-CN/docs/Web/Accessibility/Information_for_Web_authors\">Web 作者的无障碍信息</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Accessibility:_What_users_can_to_to_browse_safely\">无障碍：用户如何更安全地浏览网页</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/An_overview_of_accessible_web_applications_and_widgets\">无障碍 Web 应用和微件概述</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Keyboard-navigable_JavaScript_widgets\">键盘导航的 JavaScript 微件</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Mobile_accessibility_checklist\">移动无障碍清单</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG\">理解 Web 内容无障碍指南</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Cognitive_accessibility\">认知无障碍</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Accessibility_and_Spacial_Patterns\">无障碍和空间模式</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_Colors_and_Luminance\">Web 无障碍：理解颜色和亮度</a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/Accessibility/Seizure_disorders\">Web accessibility for seizures and physical reactions</a></li></ol></details></li><li><details><summary>学习无障碍</summary><ol><li><a href=\"/zh-CN/docs/Learn/Accessibility\">无障碍</a></li><li><a href=\"/zh-CN/docs/Learn/Accessibility/What_is_accessibility\">什么是无障碍？</a></li><li><a href=\"/zh-CN/docs/Learn/Accessibility/HTML\">HTML：无障碍的良好基础</a></li><li><a href=\"/zh-CN/docs/Learn/Accessibility/CSS_and_JavaScript\">CSS 和 JavaScript 无障碍最佳实践</a></li><li><a href=\"/zh-CN/docs/Learn/Accessibility/WAI-ARIA_basics\">WAI-ARIA 基础</a></li><li><a href=\"/zh-CN/docs/Learn/Accessibility/Multimedia\">多媒体无障碍</a></li><li><a href=\"/zh-CN/docs/Learn/Accessibility/Mobile\">移动端无障碍</a></li><li><a href=\"/zh-CN/docs/Learn/Accessibility/Accessibility_troubleshooting\">测验：无障碍疑难解答</a></li></ol></details></li><li><details><summary>WCAG</summary><ol><ol><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG\">理解 Web 内容无障碍指南</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Keyboard\">Keyboard</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Operable\">Operable</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Perceivable\">Perceivable</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Robust\">Robust</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Text_labels_and_names\">Text labels and names</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG/Understandable\">Understandable</a></li></ol></ol></details></li><li class=\"section\"><a href=\"/zh-CN/docs/Web/Accessibility/ARIA\">ARIA</a></li><li><details><summary>ARIA 指南</summary><ol><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/ARIA_Guides\">ARIA 指南</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/ARIA_Live_Regions\">ARIA 实时区域</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/ARIA_Screen_Reader_Implementors_Guide\">ARIA 屏幕阅读器实现指南</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/ARIA_Techniques\">使用 ARIA：角色、状态和属性</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Multipart_labels\">多部分标签：使用嵌入字段的标签的 ARIA</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/How_to_file_ARIA-related_bugs\">如何提交与 ARIA 相关的错误</a></li></ol></details></li><li><details><summary>ARIA 状态及属性</summary><ol><ol><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes\">ARIA 状态及属性</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-activedescendant\">aria-activedescendant</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-atomic\">aria-atomic</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-autocomplete\">aria-autocomplete</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-braillelabel\">aria-braillelabel</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-brailleroledescription\">aria-brailleroledescription</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-busy\">aria-busy</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-checked\">aria-checked</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-colcount\">aria-colcount</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-colindex\">aria-colindex</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-colindextext\">aria-colindextext</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-colspan\">aria-colspan</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-controls\">aria-controls</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-current\">aria-current</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-describedby\">aria-describedby</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-description\">aria-description</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-details\">aria-details</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-disabled\">aria-disabled</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-dropeffect\">aria-dropeffect</a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-errormessage\">aria-errormessage</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-expanded\">aria-expanded</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-flowto\">aria-flowto</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-grabbed\">aria-grabbed</a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-haspopup\">aria-haspopup</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-hidden\">aria-hidden</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-invalid\">aria-invalid</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-keyshortcuts\">aria-keyshortcuts</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-label\">aria-label</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-labelledby\">aria-labelledby</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-level\">aria-level</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-live\">aria-live</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-modal\">aria-modal</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-multiline\">aria-multiline</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-multiselectable\">aria-multiselectable</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-orientation\">aria-orientation</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-owns\">aria-owns</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-placeholder\">aria-placeholder</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-posinset\">aria-posinset</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-pressed\">aria-pressed</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-readonly\">aria-readonly</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-relevant\">aria-relevant</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-required\">aria-required</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-roledescription\">aria-roledescription</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-rowcount\">aria-rowcount</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-rowindex\">aria-rowindex</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-rowindextext\">aria-rowindextext</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-rowspan\">aria-rowspan</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-selected\">aria-selected</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-setsize\">aria-setsize</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-sort\">aria-sort</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-valuemax\">aria-valuemax</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-valuemin\">aria-valuemin</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-valuenow\">aria-valuenow</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Attributes/aria-valuetext\">aria-valuetext</a></li></ol></ol></details></li><li><details><summary>ARIA 角色</summary><ol><ol><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles\">WAI-ARIA 角色</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/alert_role\">ARIA: alert role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/alertdialog_role\">ARIA: alertdialog role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/application_role\">ARIA: application role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/article_role\">ARIA: article role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/banner_role\">ARIA: banner role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/button_role\">ARIA：button 角色</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/cell_role\">ARIA: cell role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/checkbox_role\">ARIA: checkbox role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/columnheader_role\">ARIA: columnheader role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/combobox_role\">ARIA: combobox role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/command_role\">ARIA: command role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/comment_role\">ARIA: comment role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/complementary_role\">ARIA: complementary role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/composite_role\">ARIA: composite role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/contentinfo_role\">ARIA: contentinfo role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/definition_role\">ARIA: definition role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/dialog_role\">ARIA: dialog role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/directory_role\">ARIA: directory role</a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/document_role\">ARIA: document role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/structural_roles\">ARIA: document structural roles</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/feed_role\">ARIA: feed role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/figure_role\">ARIA: figure role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/form_role\">ARIA: form role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/generic_role\">ARIA: generic role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/grid_role\">ARIA: grid role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/gridcell_role\">ARIA: gridcell role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/group_role\">ARIA：group 角色</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/heading_role\">ARIA: heading role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/img_role\">ARIA: img role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/input_role\">ARIA: input role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/landmark_role\">ARIA: landmark role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/link_role\">ARIA: link role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/list_role\">ARIA：list 角色</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/listbox_role\">ARIA：listbox 角色</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/listitem_role\">ARIA：listitem 角色</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/log_role\">ARIA: log role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/main_role\">ARIA: main role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/mark_role\">ARIA: mark role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/marquee_role\">ARIA: marquee role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/math_role\">ARIA: math role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/menu_role\">ARIA: menu role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/menubar_role\">ARIA: menubar role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/menuitem_role\">ARIA: menuitem role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/menuitemcheckbox_role\">ARIA: menuitemcheckbox role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/menuitemradio_role\">ARIA: menuitemradio role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/meter_role\">ARIA: meter role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/navigation_role\">ARIA: navigation role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/none_role\">ARIA: none role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/note_role\">ARIA: note role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/option_role\">ARIA: option role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/presentation_role\">ARIA: presentation role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/progressbar_role\">ARIA: progressbar role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/radio_role\">ARIA: radio role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/radiogroup_role\">ARIA: radiogroup role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/range_role\">ARIA: range role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/region_role\">ARIA: region role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/roletype_role\">ARIA: roletype role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/row_role\">ARIA: row role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/rowgroup_role\">ARIA: rowgroup role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/rowheader_role\">ARIA: rowheader role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/scrollbar_role\">ARIA: scrollbar role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/search_role\">ARIA: search role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/searchbox_role\">ARIA: searchbox role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/section_role\">ARIA: section role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/sectionhead_role\">ARIA: sectionhead role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/select_role\">ARIA: select role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/separator_role\">ARIA: separator role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/slider_role\">ARIA: slider role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/spinbutton_role\">ARIA: spinbutton role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/status_role\">ARIA: status role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/structure_role\">ARIA: structure role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/suggestion_role\">ARIA: suggestion role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/switch_role\">ARIA: switch role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/tab_role\">ARIA: tab role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/table_role\">ARIA: table role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/tablist_role\">ARIA: tablist role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/tabpanel_role\">ARIA: tabpanel role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/term_role\">ARIA: term role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/textbox_role\">ARIA: textbox role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/timer_role\">ARIA: timer role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/toolbar_role\">ARIA: toolbar role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/tooltip_role\">ARIA: tooltip role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/tree_role\">ARIA: tree role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/treegrid_role\">ARIA: treegrid role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/treeitem_role\">ARIA: treeitem role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/widget_role\">ARIA: widget role</a></li><li><a href=\"/zh-CN/docs/Web/Accessibility/ARIA/Roles/window_role\">ARIA：window 角色</a></li></ol></ol></details></li></ol>","sidebarMacro":"AccessibilitySidebar","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p><strong>无障碍</strong>（Accessibility，常被缩写为 <strong>A11y</strong>，因为它以“a”开头，后跟 11 个字母，以“y”结尾）在 web 开发中意味着使尽可能多的人能够使用网站，即使有些用户的能力在某种程度上受限。</p>\n<p>对大多数人来说，技术让生活更便捷。而对于有障碍的人群，技术使一切皆有可能。无障碍化意味着设计出尽可能没有使用障碍的内容，无论访问者的身体情况、认知能力以及他们访问 web 的方式是怎样的。</p>\n<p>“<strong>Web 从根本上是为所有人设计的</strong>，无论他们的硬件、软件、语言、位置或能力如何。当 web 达到这一目标时，具有不同听力、运动、视觉和认知能力的人都可以访问它。”（<a href=\"https://www.w3.org/standards/webdesign/accessibility\" class=\"external\" target=\"_blank\">W3C——无障碍</a>）</p>"}},{"type":"prose","value":{"id":"主要教程","title":"主要教程","isH3":false,"content":"<p>MDN <a href=\"/zh-CN/docs/Learn/Accessibility\">无障碍学习区</a>包含现代的最新教程，涵盖以下无障碍性要点：</p>\n<dl>\n <dt id=\"什么是无障碍？\"><a href=\"/zh-CN/docs/Learn/Accessibility/What_is_accessibility\">什么是无障碍？</a></dt>\n <dd>\n <p>这篇文章很好地初步介绍了无障碍化的实际情况——包括我们需要考虑哪些人群以及为什么，不同的人用什么工具与 Web 进行交互，以及如何在网站开发的流程中加入无障碍设计。</p>\n </dd>\n <dt id=\"html：无障碍性的良好基础\"><a href=\"/zh-CN/docs/Learn/Accessibility/HTML\">HTML：无障碍性的良好基础</a></dt>\n <dd>\n <p>只需确保以恰当的方式使用正确的 HTML 元素，很多 web 内容就能实现无障碍化。本文详细介绍如何使用 HTML 来实现最大程度的无障碍化。</p>\n </dd>\n <dt id=\"css_和_javascript_无障碍最佳做法\"><a href=\"/zh-CN/docs/Learn/Accessibility/CSS_and_JavaScript\">CSS 和 JavaScript 无障碍最佳做法</a></dt>\n <dd>\n <p>如果使用得当，CSS 和 JavaScript 也能提供无障碍的 web 体验。倘若误用，无障碍性会明显受损。本文列出了一些 CSS 和 JavaScript 最佳实践，即使是复杂的内容，也能尽可地确保无障碍。</p>\n </dd>\n <dt id=\"wai-aria_基础知识\"><a href=\"/zh-CN/docs/Learn/Accessibility/WAI-ARIA_basics\">WAI-ARIA 基础知识</a></dt>\n <dd>\n <p>如前文所述，在涉及无语义 HTML 和 JavaScript 动态更新的内容时，制作复杂的 UI 控件可能很困难。借助 WAI-ARIA 技术来添加额外的语义，使得浏览器和无障碍技术可以识别和使用这些控件，并让用户了解网页实际情况。这里我们将介绍这种技术的基础知识，并用它改善无障碍性。</p>\n </dd>\n <dt id=\"多媒体无障碍化\"><a href=\"/zh-CN/docs/Learn/Accessibility/Multimedia\">多媒体无障碍化</a></dt>\n <dd>\n <p>多媒体也是一类可能需要无障碍化的内容——视频、音频、图像等都需要给出适当的文本替代，以便可以被辅助性技术及其用户来理解。本文就介绍了以上内容。</p>\n </dd>\n <dt id=\"移动设备的无障碍\"><a href=\"/zh-CN/docs/Learn/Accessibility/Mobile\">移动设备的无障碍</a></dt>\n <dd>\n <p>使用移动设备访问 web 越来越流行，而同时，iOS、Android 等主流移动平台也拥有日趋完善的辅助工具，让你的网站内容在这些平台上做到无障碍化自然很重要。本文将介绍移动设备领域的无障碍化注意事项。</p>\n </dd>\n</dl>"}},{"type":"prose","value":{"id":"其他文章","title":"其他文章","isH3":false,"content":"<dl>\n <dt id=\"了解_web_内容无障碍功能指南\"><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_WCAG\">了解 Web 内容无障碍功能指南</a></dt>\n <dd>\n <p>这组文章提供了快速解释，以帮助你了解需要采取的步骤，以符合 W3C web 内容无障碍指南 2.0（WCAG 2.0 或简称 WCAG，出于撰文需要）的建议。</p>\n </dd>\n <dt id=\"色彩与无障碍简介\"><a href=\"/zh-CN/docs/Web/Accessibility/Understanding_Colors_and_Luminance\">色彩与无障碍简介</a></dt>\n <dd>\n <p>本文探讨了我们对于亮度和色彩的感知，并提供了如何在无障碍设计中使用色彩的基础知识，也演示了视觉与可读内容的最佳实践。</p>\n </dd>\n <dt id=\"可通过键盘导航的_javascript_小部件\"><a href=\"/en-US/docs/Web/Accessibility/Keyboard-navigable_JavaScript_widgets\" class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\">可通过键盘导航的 JavaScript 小部件</a></dt>\n <dd>\n <p>直到目前，web 开发人员仍缺乏合适的技术使基于 <code><div></code> 和 <code><span></code> 的自定义组件无障碍化。<strong>对键盘的无障碍性</strong>是最基础的无障碍要求之一，开发者应当了解这一内容。</p>\n </dd>\n <dt id=\"aria\"><a href=\"/en-US/docs/Web/Accessibility/ARIA\" class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\">ARIA</a></dt>\n <dd>\n <p>学习如何利用无障碍富互联网应用（Accessible Rich Internet Application）使你的 HTML 文档进一步无障碍化的一组文章。</p>\n </dd>\n <dt id=\"移动无障碍化清单\"><a href=\"/zh-CN/docs/Web/Accessibility/Mobile_accessibility_checklist\">移动无障碍化清单</a></dt>\n <dd>\n <p>本文档向移动应用开发者提供了实现无障碍化所需内容的简明清单。</p>\n </dd>\n <dt id=\"认知无障碍\"><a href=\"/zh-CN/docs/Web/Accessibility/Cognitive_accessibility\">认知无障碍</a></dt>\n <dd>\n <p>本文说明了如何确保你创造的 web 内容对认知障碍群体是无障碍的。</p>\n </dd>\n <dt id=\"对癫痫症患者的无障碍\"><a href=\"/en-US/docs/Web/Accessibility/Seizure_disorders\" class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\">对癫痫症患者的无障碍</a></dt>\n <dd>\n <p>对于伴有特定脑部缺陷的群体，web 上的某些视觉内容可能导致他们出现癫痫症状。本文可以帮助你理解哪一类内容会有这些问题，并提供了避开这些问题的策略与工具。</p>\n </dd>\n</dl>"}},{"type":"prose","value":{"id":"参见","title":"参见","isH3":false,"content":"<ul>\n <li><a href=\"https://www.w3.org/WAI/about/groups/waiig/\" class=\"external\" target=\"_blank\">WAI 兴趣组</a></li>\n <li><a href=\"/zh-CN/docs/Web/Guide\">开发者指南</a></li>\n</ul>"}}],"toc":[{"text":"主要教程","id":"主要教程"},{"text":"其他文章","id":"其他文章"},{"text":"参见","id":"参见"}],"summary":"无障碍（Accessibility，常被缩写为 A11y，因为它以“a”开头，后跟 11 个字母，以“y”结尾）在 web 开发中意味着使尽可能多的人能够使用网站，即使有些用户的能力在某种程度上受限。","popularity":0,"modified":"2024-05-06T06:55:55.000Z","other_translations":[{"locale":"de","title":"Zugänglichkeit","native":"Deutsch"},{"locale":"en-US","title":"Accessibility","native":"English (US)"},{"locale":"es","title":"Accesibilidad","native":"Español"},{"locale":"fr","title":"Accessibilité","native":"Français"},{"locale":"ja","title":"アクセシビリティ","native":"日本語"},{"locale":"ko","title":"접근성","native":"한국어"},{"locale":"pt-BR","title":"Acessibilidade","native":"Português (do Brasil)"},{"locale":"ru","title":"Доступность","native":"Русский"},{"locale":"zh-TW","title":"無障礙網頁","native":"正體中文 (繁體)"}],"pageType":"unknown","source":{"folder":"zh-cn/web/accessibility","github_url":"https://github.com/mdn/translated-content/blob/main/files/zh-cn/web/accessibility/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/e3b256089cd30c5f45bc637e35c176ee012b98cd","filename":"index.md"},"short_title":"无障碍","parents":[{"uri":"/zh-CN/docs/Web","title":"面向开发者的 Web 技术"},{"uri":"/zh-CN/docs/Web/Accessibility","title":"无障碍"}],"pageTitle":"无障碍 | MDN","noIndexing":false}}</script></body></html>