Elements supporting no actions like text views are not in the tab chain. in keyboard focus the user accesses only interactive elements via the tab key (even if the interaction is disabled).in reading focus, where the navigation is done via the cursor keys, each element is reached and read.The blind user can explore the UI in two modi: This information is always added and utilized by the screen reader. button, grid, list…), how to use it, how it is labelled or described. They describe the role of the control (eg. These additional HTML attributes are added to each control. The new standard is based on ARIA attributes. As application developer you can further improve your application to support that standard fully. The Web Dynpro team together with the Unified Rendering team implemented this standard within the control library and the Web Dynpro framework. The WCAG standards from W3C specify how to achieve this goal. Your applications should be usable by ALL people – independent of their abilities.
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