Modal Dialog
A modal dialog is a UI component that creates a temporary, focused interaction layer over the main content, requiring user action before returning to the underlying interface. It typically appears as a pop-up window or overlay that blocks interaction with the rest of the page until dismissed. Modal dialogs are commonly used for alerts, confirmations, forms, or displaying additional information without navigating away.
Developers should use modal dialogs when they need to capture immediate user attention for critical actions, such as confirming deletions, displaying error messages, or collecting essential input before proceeding. They are ideal for scenarios where interrupting the user flow is necessary to prevent errors or ensure data integrity, such as in form validations, payment confirmations, or system alerts. However, they should be used sparingly to avoid disrupting the user experience.