NotebookClose
NotebookClose[_RemoteNotebook]
NotebookClose[_RemoteCellObj]closes (if opened) a notebook represented by RemoteNotebook or removes cell
WLJS NotebookWLJS NotebookNotebookClose[_RemoteNotebook]
NotebookClose[_RemoteCellObj]closes (if opened) a notebook represented by RemoteNotebook or removes cell