When to use describedby: For example you have a close button: XSome kind of content<pid="closeReadable"class="visuallyHidden">Close this window When to use labelledby: For example you have Billing section, inside you have address field. Just memtion address to the user, they won't underst...
When to use describedby: For example you have a close button: XSome kind of content<pid="closeReadable"class="visuallyHidden">Close this window 1. 2. 3. When to use labelledby: For example you have Billing section, inside you have address field. Just memtion address to the user, they ...
大致意思是:核心易访问性API映射规范中记录了关于可访问性名称和描述对应的映射关系,包括关系,比如标签由(labelled-by)、标签为(label-for)和描述由(describled-by)、描述为(description-for)。比如ARIA中的aria-label、aria-labelledby和aria-describedby等属性。 可访问性的几个重要概念 在详细介绍或探索aria-label...
This is what is below, along with aria-labelledby and aria-describedby, as well as an examination of what is "supposed to happen" according to the Accessible Name computation. Conclusion: TLDR Screen readers are all over the map on what they do when an aria-label, aria-labelledby, and...
Back in 2010 I filed a bug on Internet Explorer about its lack of support for exposing the calculated values of aria-labelledby and aria-describedby in the MSAA accessibility API. After some back and forth a partial fix was implemented. Partial Fix The upshot was that IE would correctly c...
IE11.0.96 OK Neither aria labelledby's read N/A Chrome 40 OK OK OK, see note for Safari below Safari MacOS N/A N/A OK Sort of (see Ex. 1 above) Safari iOS (iphone) N/A N/A OK, sort of. 2 second delayExample 5: two references in the aria- describedby add tabindex="-1"...
用于布局的表不得具有 (、summary、aria-describedby、aria-labelledby、aria-labelledby、aria-label、title 描述文字 属性) 定义的标头、可访问名称或摘要信息。类型错误说明此错误适用于 将role 属性设置为“presentation”的 HTML 表标记,或具有单个单元格的表 (1×1 表) 。
aria-labelledby:aria-labelledby属性用于关联标签和包含标签文本的元素。aria-labelledby 的值通常是包含标签文本的元素的 ID。它的值部分可以有多个元素 id。 这与包含用于链接标签的 for 属性的输入元素非常相似。 例子: HTML Welcome To GFG Billing First Name Contact Number ...
aria-label属性用来给当前元素加上的标签描述,接受字符串作为参数。 是用不可视的方式给元素加label(如果被描述元素存在真实的描述元素,可使用aria-labelledby属性作为来绑定描述元素和被描述元素来代替)。 aria-label 在下面的示例中,按钮(button)元素被定义为一个关闭(close)按钮,按钮中间有一个“X”字符。辅助软件...
具有aria-labelledby 和 aria-hidden 等属性的 ARIA 一词代表 Accessible Rich Internet Applications。这些是使残障人士更容易访问 Web 应用程序的标准和准则集。这用于 HTML 文档中的交互式内容,例如错误消息、进度条、渐进式提示等。 有多个ARIA属性如下