[ADDED IN VERSION 5.0.1] For screen reader support: Sets a focused element's active descendant. Required for keyboard navigation to work properly with screen readers.
Gives the div a unique ID and sets the parent's aria-activedescendant. Use in conjunction with ARIA roles: https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques
The parent element must have a role (for example: table) as well as the active element (for example: row)
[ADDED IN VERSION 5.0.1]
For screen reader support: Sets a focused element's active descendant. Required for keyboard navigation to work properly with screen readers.
Gives the div a unique ID and sets the parent's aria-activedescendant. Use in conjunction with ARIA roles: https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques
The parent element must have a role (for example: table) as well as the active element (for example: row)