Function selectCols

libs/datatables-binding-0.18/datatables.js:1125–1135

(ignoreSelectable)

        // update selected2 and then
        // refresh the col selection state according to values in selected2
        var selectCols = function(ignoreSelectable) {
          if (!ignoreSelectable) onlyKeepSelectableCols();
          // if selected2 is not a valide index (e.g., larger than the column number)
          // table.columns(selected2) will fail and result in a blank table
          // this is different from the table.rows(), where the out-of-range indexes
          // doesn't affect at all
          selected2 = $(selected2).filter(table.columns().indexes()).get();
          table.columns().nodes().flatten().to$().removeClass(selClass);
          if (selected2.length > 0)
            table.columns(selected2).nodes().flatten().to$().addClass(selClass);
        }
        var callback = function() {
          var colIdx = selTarget === 'column' ? table.cell(this).index().column :
              $.inArray(this, table.columns().footer()),