ariaRowIndex property of the
ElementInternals interface reflects the value of the
aria-rowindex attribute, which defines an element's row index or position with respect to the total number of rows within a table, grid, or treegrid.
Setting aria attributes on
ElementInternals allows default semantics to be defined on a custom element. These may be overwritten by author-defined attributes, but ensure that default semantics are retained should the author delete those attributes, or fail to add them at all. For more information see the Accessibility Object Model explainer.
let ariaRowIndex = ElementInternals.ariaRowIndex; ElementInternals.ariaRowIndex = ariaRowIndex;
DOMString which contains an integer.
In this example the value of
ariaRowIndex is set to "1".
this.internals_.ariaRowIndex = "1";
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