In the Traditional Web, we could use 'Editable Table' UI widget. In Reactive Web, the similar widget is not included in the default UI patterns. Nonetheless, it is quite easy to implement 'Editable Table' in Reactive Web because the Reactive Web introduced client actions with reactive nature.
This component provides a brief sample implementation to achieve the editable table in Reactive Web applications.
Confirmation before deleting any existing records
Mandatory notation for all the required fields