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function to decorate the columns. Here I am populating

The column-selector documentation details all the selector options available for columns. The easiest would be just to have an array of column indexes. Allan

issue is that your columns array needs to be

Hi, Can this code work directly or I need to use specific syntax? Cause it's not displaying a button even if change the 0 to other value... table.button().add( 0, { extend: 'colvis', collectionLayout: 'two-column', columns: ':visible', } );

decrease the number of columns when open by mobile

The better way is to use columns().nodes() rather than picking out the cells yourself. You can still pass in the search 'applied' into columns(). Would you mind posting the code you are using? Thanks Tom

but I want to edit columns that are not displayed on the DataTable. Is that possible? Yes - example available here. Allan

If you want to dynamically change the visibility or order of columns, use https://datatables.net/reference/option/columns.visible and https://datatables.net/reference/api/colReorder.order()

following $('#example'String).DataTable( { data: ar1.data, columns: [ { data: "first_name" }, { data: "last_name"},

this: $("#grdScarti").dataTable({ data: arRow, columns: function () { for (x = 0;