Your import is incorrect the package installed in your project is "@mui/lab" not @material-ui/lab import { Alert } from "@mui/lab";. ... <看更多>

UI materials can be intimidating, especially for beginners and for artists who are used to different software and workflows. The UI Material ... ... <看更多>

The promotion of 4 components from the lab to core: Autocomplete, Pagination, SpeedDial, and ToggleButton. These components have been in the ... ... <看更多>