aria-colcount

Integer

Declares the total number of columns in a table, grid, or treegrid when not all of them are present in the DOM, as with horizontally virtualized data. It's set on the table element and paired with aria-colindex on cells. A value of -1 means the total column count is unknown.

aria-colcount="…"

Value

Any integer.

Used on

<table>

Associated roles

grid table treegrid

Example

aria-colcount="…"

<div role="grid" aria-colcount="12">…</div>

References

WAI-ARIA 1.2 specification
MDN Web Docs