The ariaHidden property of the ElementInternals interface reflects the value of the aria-hidden) attribute, which indicates whether the element is exposed to an accessibility API.

A string with one of the following values:

"true"

The element is hidden from the accessibility API.

"false"

The element is exposed to the accessibility API as if it were rendered.

undefined

The element's hidden state is determined by the user agent based on whether it is rendered.

In this example the value of ariaHidden is set to "true".

this.internals_.ariaHidden = "true";