此元素必须包含div元素的标签。如果您没有标签作为可见文本，则应使用aria-label。
HTML | aria-labelledby 属性 aria-labelledby 属性是用来定义元素的关联标签。它对于提高网页辅助功能非常有用,可以将一个元素与其标记关联,帮助屏幕阅读器等辅助技术更好地理解和访问网页内容。 语法 <div aria-labelledby="id1 id2 ...">...</div> 复制 其中id1 id2 ... 是一个或多个用空格分隔的...
TOP-RIGHT: it has role button, so the label is Wombat. BOTTOM-LEFT: No labe, because label need id to bind to the input field, so need to add id="roo" BOTTOM-RIGHT: aria-labelledby overwrite aria-label, so it is "Wallaby"
此外，aria-labelledby接受一个用空格分隔的ID列表（假设ID没有空格）。aria-labelledby属性接受一个以空...
myModalLabel"元素。此元素必须包含div元素的标签。如果您没有标签作为可见文本，则应使用aria-label。
'aria-labelledby' overwrite 'aria-label' overwirte native element label. TOP-LEFT: aria-label overwrite native element label, so it is Gumnut. TOP-RIGHT: it has role button, so the label is Wombat. BOTTOM-LEFT: No labe, because label need id to bind to the input field, so need to ...
WAI-ARIA是一个定义支持可访问的Web应用程序的规范.它定义了一堆标记扩展(主要作为HTML5元素的属性),Web应用程序开发人员可以使用它来向屏幕阅读器等辅助技术提供有关各种元素语义的其他信息.当然,为了使ARIA起作用,解释标记的HTTP用户代理需要支持ARIA,但是以这种方式创建规范,以允许下级用户代理安全地忽略ARIA特定的标...
内联定义:在下面的示例中,在叙述的自然流中描述的术语的定义使用 aria-labelledby 属性与术语本身相关联。 例子: The articles are reviewed by reviewers and then placebo, published. The reviewers basically check for correctness and basic plagiarism. ...
<figure role="img" aria-labelledby="cow-caption"> <pre> ___ < I'm an expert in my field. > --- \ ^__^ \ (oo)\___ (__)\ )\/\ ||---w | || || </pre> <figcaption id="cow-caption"> A cow saying, "I'm an expert in my field." The cow is illustrated using ...
What happens when roles are added? If the role is an interactive role (that can be clicked on such as button or link) or an image role the aria-label or aria-labelledby overrides the text If its a heading role , aria-label or aria-labelledby overrides it on NVDA, VoiceOver and Talk...