Aria Roles 是用于为非标准 HTML 元素提供机器可理解的含义的一种属性。它们告诉 marcado器或辅助工具about 元素的用途和重要性。这对于弱视或视觉障碍等能力障碍的用户尤其有帮助。重要的 ARIA Roles heading： 用于表明元素是页面上的标题或副标题。listitem： 用于表明元素是列表项。label： 用于表明与某些元素关联...
This is a short summary of some methods to addWAI-ARIA landmark rolesto existing web pages, e.g. an existing template package for a content management system. Currently many developers seem to be reluctant to add the role attribute in their markup since it will make pages invalid when using...
mainis one of a set of eight defined ARIAlandmark roles. All defined roles express an element’s purpose, but landmark roles serve as key milestones, allowingAT(assistive technology) to map the lay of the land of an HTML document. This is why they’re a great set of roles to start w...
Tutorials often get it wrong, such as the always useless W3 Schools inits Bootstrap documentation. Not that Bootstrap is off the hook, given thatits 2.x documentationrecommended menu roles and I still see that code copy-pasted into projects today. The point is, mis-use of ARIA menu roles...
Change in ARIA: w3c/aria#1931 Closes web-platform-tests/interop-accessibility#136. 👍 1 Update tests for new sectionheader and sectionfooter roles 543e2f1 wpt-pr-bot added html-aam wai-aria wg-wai_pf labels Aug 1, 2024 wpt-pr-bot assigned spectranaut Aug 1, 2024 wpt-pr-bot req...
WAI's Accessible Rich Internet Applications (WAI-ARIA) roadmap includes a plan for developing theroles, andstates and propertiesnecessary to makeRIAs accessible.WAI-ARIAdoes this using the namespace capabilities ofXHTML, which isn't supported inHTML. Also,XHTMLdocuments must be served asapplication...
When building an extension spec, use the boiler plate provided in aria/template.html as a basis. Note that this template uses the aria/script/ariaChild.js script. That script knows how to incorporate information from the core ARIA specification into the extension spec so that new roles, states...
Used in Roles Inherits into Roles Value Semantic HTML Reference Description Indicates that the element is not editable, but is otherwise operable. See related aria-disabled. This means the user can read but not set the value of the widget. Readonly elements are relevant to the user, and appli...
Rowgroup is a structural equivalent to the thead, tfoot, and tbody elements in an HTML table element. In cases where the nesting structure of Rowgroup and its child roles may be convoluted, or when a Rowgroup may include nested Tables or structural elements, aria-owns must be used on the...
HTML skins and standard templates: ARIA landmark tags and roles added to all standard skins. (If you use customized skins, you may optionally update them.) Standard responsive Webhelp Skins: small change to the search script to always focus the search box when the search page gets loaded. ...