code: function createVirtualTable() {
              var rows = domTable.rows;
              for (var rowIndex = 0; rowIndex < rows.length; rowIndex++) {
                  var cells = rows[rowIndex].cells;
                  for (var cellIndex = 0; cellIndex < cells.length; cellIndex++) {
                      addCellInfoToVirtual(rows[rowIndex], cells[cellIndex]);
                  }
              }
          }
docs: Create virtual table of cells with all cells, including span cells.