Elements placed in the tab order with tabindex

Non-interactive elements

Shouldn't be in the focus order
Shouldn't be in the focus order

Elements placed in focus order and given valid interactive roles

    Click me, I'm a button!

    Scrollable elements

    Invalid landmark roles for scrollable containers

    Valid landmark roles for scrollable containers

    Valid window roles for scrollable containers

    Valid scrollable HTML tags for scrollable regions, not selected by this rule