ariaColIndex property of the
ElementInternals interface reflects the value of the
aria-colindex attribute, which defines an element's column index or position with respect to the total number of columns within a table, grid, or treegrid.
Note: 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.
A string which contains an integer.
In this example the value of
ariaColIndex is set to "2".
this.internals_.ariaColIndex = "2";
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