Itqualityassurance
What is non-modal dialog?
In contrast, nonmodal (or modeless) dialogs and windows do not disable the main content: showing the dialog box doesn't change the functionality of the user interface. The user can continue interacting with the main content (and perhaps even move the window, minimize it, etc.) while the dialog is open.
Why is keyboard accessibility important?
Keyboard accessibility is critical to ensure all users have access to information without requiring a mouse. To be keyboard accessible a web page must not only be keyboard operable it must also incorporate the following: a visible keyboard focus, appropriate tab order, and avoid keyboard traps.
Are modals bad for accessibility?
The accessibility issue with modals
While visually everything is clear and mouse or touch users are perfectly able to interact with a modal dialog, keyboard users and assistive technology users may face a huge barrier. They could even be unaware a modal dialog is displayed on the page.
