Currently, we can select the
discontinuous range with Ctrl key but unable to perform the show/hide the selected discontinuous ranges.
While selecting the rows/columns with Ctrl key and perform hide action then all rows/columns should be hide instead of hide first row/column.
In MS Excel before hiding the columns :
In MS Excel after hiding the columns:
In EJ2 Spreadsheet before hiding the columns:
In EJ2 Spreadsheet after hiding the columns: