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don't need to could columns to tell which one

const table = new DataTable("#datatable", { columns: [ { title: "ID", data: "id"

with the column using columns.render. As Allan mentioned you

the definitions of both columns and columnDefs together - you

one of two underlying columns depending on what the

Looks like you can just use the columns option instead of columnDefs, like this: columns: [ { data: 'ID', orderable: false }, { data: 'UHID' }, { data: 'CATEGORY' }, { data: 'QUESTION' }, { data: 'PRETTY_QUESTION' }, { data: 'NEW_ANSWER' }, ], Kevin

listener to the other columns (or perhaps just td:not(first-child)

It's added only when it is needed - i.e. the user clicked on the drop-down button. The columns option is the way to control the selected columns for the drop-down. Allan

options change, like the columns? If not possibly you

See this example for how to define the columns to export. Kevin