Mount a complete spreadsheet shell into host: toolbar row, formula row (name box + formula bar), the grid, and a bottom row with sheet tabs (multi- sheet workbooks only) and a selection status.
Mount a complete spreadsheet shell into host: toolbar row, formula row
(name box + formula bar), the grid, and a bottom row with sheet tabs (multi-
sheet workbooks only) and a selection status. The host must have a real
size; the shell fills it. Returns the shell handle; destroy tears down
every piece, the grid, and the shell DOM, and is safe to call twice.