# Widget Role &  Attributes

Widget role과 attribute는 사용자와의 상호 인터랙션을 하기 위해 RIA로 구현된 UI에 사용하여 접근성을 향상 시킬 수 있다.

* button
  * aria-disabled
  * aria-haspopup
  * aria-expanded
  * aria-pressed
* checkbox
  * aria-checked
  * aria-expanded
  * aria-invalid
  * aria-required
  * aria-readonly
* gridcell
  * aria-disabled
  * aria-expanded
  * aria-haspopup
  * aria-invalid
  * aria-selected
  * aria-readonly
  * aria-required
* link
  * aria-disabled
  * aria-expanded
* option
  * aria-selected
  * aria-checked
* radio
  * aria-checked
* tab
  * aria-disabled
  * aria-haspopup
  * aria-expanded
  * aria-selected
* combobox
  * aria-controls
  * aria-expanded
  * aria-activedesendant
  * aria-disabled
  * aria-invalid
  * aria-required
  * aria-readonly
  * aria-haspopup
* grid
  * aria-readonly
  * aria-multiselectable
* radiogroup
  * aria-invalid
  * aria-readonly
  * aria-required