ariaColSpan property of the
ElementInternals interface reflects the value of the
aria-colspan attribute, which defines the number of columns spanned by a cell or gridcell 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
ariaColspan is set to "2".
this.internals_.ariaColspan = "2";
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