What is a background pop-up window?

Background pop-up window is a prompt window displayed in the background of an application or website.

Background pop-up window refers to a window that displays information or prompts users to operate during the background operation of an application or website. They appear outside the foreground interface of an application or website and do not block the interface content that users are using or browsing. Background pop-up windows can be used to deliver important messages, error prompts, task completion notifications, etc. Provide users with a non-interference interaction mode.