Itqualityassurance
- What is the purpose of aria-Labelledby?
- Is aria-Describedby necessary?
- What is the difference between aria-Labelledby and aria-label?
- Should a div have an aria-label?
What is the purpose of aria-Labelledby?
Description. The purpose of this technique is to provide a label for objects that can be read by assistive technology. The aria-label attribute provides the text label for an object, such as a button. When a screen reader encounters the object, the aria-label text is read so that the user will know what it is.
Is aria-Describedby necessary?
The aria-describedby property is appropriate when the associated content contains descriptions experienced as plain text. If the content contains a large amount of content, useful semantics, or has a complex structure requiring user navigation, use aria-details .
What is the difference between aria-Labelledby and aria-label?
aria-describedby is used to reference longer content that provides a description. If there is no element in the DOM that provides a brief label appropriate for an accessible name for an interactive element, use aria-label to define the accessible name for an interactive element.
Should a div have an aria-label?
By design, aria-label or aria-labelledby replace any other label text inside the element. All three are OK on nav and main elements. They are OK on div elements IF they have role=navigation , search , main , img. They are OK on a table element (except ignored by VoiceOver on iOS).
