Using the aria-relevant attribute
aria-relevant attribute is an optional value used to describe what types of changes have occurred to an
aria-live region, and which are relevant and should be announced. Any change that is not relevant acts in the same manner it would if the
aria-live attribute were set to
aria-relevant is commonly used when a web page contains content that may be updated while viewing the page.
A space-delimited list of one or more of the following values:
- Additions of Element Nodes within the live region should be considered relevant.
- Deletion of Nodes from the live region should be considered relevant.
- Changes to the textual content of existing nodes should be considered relevant.
- Equivalent to
additions removals text.
aria-relevant="additions text" is the default value on a live region.