content/test/data/accessibility/html/commandfor-api-dialog-modal.html

<!--
@MAC-ALLOW:AXExpanded
@WIN-ALLOW:details-roles*
@WIN-ALLOW:EXPANDED*
@WIN-ALLOW:HASPOPUP*
@WIN-ALLOW:haspopup*
@BLINK-ALLOW:haspopup*
@BLINK-ALLOW:expanded*
@AURALINUX-ALLOW:details-roles*
@AURALINUX-ALLOW:expanded*
@AURALINUX-ALLOW:haspopup:*
-->

<!-- Opened dialog as modal -->
<button commandfor="d1" command="show-modal">d1 button - outside - show-modal</button>
<button commandfor="d1" command="show-popover">d1 button - outside - unrelated action</button>
<button commandfor="d1" command="--frobulate">d1 button - outside - custom action</button>
<button commandfor="d1" command="close">d1 button - outside - close</button>
<dialog id="d1" popover="manual">
  <button commandfor="d1" command="show-modal">d1 button - inside - show-modal</button>
  <button commandfor="d1" command="close">d1 button - inside - close</button>
  <button commandfor="d1" command="toggle-popover">Button inside popover, with unrelated action</button>
  <button commandfor="d1" command="--frobulate">d1 button - inside - custom action</button>
</dialog>

<script>
  d1.showModal();
</script>