Accessible dialog

1. What is modal dialog in accessibility?
2. What is the difference between dialog and modal?
3. What is role dialog?

What is modal dialog in accessibility?

An accessible modal dialog is one where keyboard focus is managed properly, and the correct information is exposed to screen readers. HTML and WAI-ARIA can be used to provide the necessary semantic information, CSS the appearance and Javascript the behavior.

What is the difference between dialog and modal?

Dialog (dialogue): A conversation between two people. In a user interface, a dialog is a “conversation” between the system and the user. Mode: A special state of the system in which the same system has somewhat different user interfaces.

What is role dialog?

The dialog role is used to mark up an HTML based application dialog or window that separates content or UI from the rest of the web application or page. Dialogs are generally placed on top of the rest of the page content using an overlay.