ariaRelevant property of the
Element interface reflects the value of the
aria-relevant attribute, which indicates what notifications the user agent will trigger when the accessibility tree within a live region is modified. This is used to describe what changes in an
aria-live region are relevant and should be announced.
A string containing one or more of the following values, space separated:
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.
"additions removals text".
In this example the
aria-relevant attribute on the element with an ID of
text is set to "all". Using
ariaRelevant we update the value to "text".
<div id="clock" role="timer" aria-live="polite" aria-atomic="true" aria-relevant="all"></div>
let el = document.getElementById('clock'); console.log(el.ariaRelevant); // all el.ariaRelevant = "text" console.log(el.ariaRelevant); // text
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