It will work only for non-consecutive selection. As for the keyboard shortcuts, it works correctly and if you select the whole table this way it will also copy the column headers: Handsontable example - JSFiddle - Code Playground
It will work only for non-consecutive selection. As for the keyboard shortcuts, it works correctly and if you select the whole table this way it will also copy the column headers: Handsontable example - JSFiddle - Code Playground