JavaScript Table Manipulation

Question

I have a table with one column and about ten rows. The first column has rows with text as row headers, \"header 1\", \"header 2\". The second column contains fields for th

Answer 1

Amusing exercise. Thanks to AviewAnew's hint, I could do it.

function AddColumn(tableId)
{
  var table = document.getElementById(tableId);
  if (table == undefined) return;
  var rowNb = table.rows.length;
  // Take care of header
  var bAddNames = (table.tHead.rows[0].cells.length % 2 == 1);
  var newcell = table.rows[0].cells[bAddNames ? 1 : 0].cloneNode(true);
  table.rows[0].appendChild(newcell);
  // Add the remainder of the column
  for(var i = 1; i < rowNb; i++)
  {
    newcell = table.rows[i].cells[0].cloneNode(bAddNames);
    table.rows[i].appendChild(newcell);
  }
}

with following HTML:

<input type="button" id="BSO" value="Add" onclick="javascript:AddColumn('TSO')"/>
<table border="1" id="TSO">
<thead>
<tr><th>Fields</th><th>Data</th></tr>
</thead>
<tbody>
<tr><td>Doh</td><td>10</td></tr>
<tr><td>Toh</td><td>20</td></tr>
<tr><td>Foo</td><td>30</td></tr>
<tr><td>Bar</td><td>42</td></tr>
<tr><td>Ga</td><td>50</td></tr>
<tr><td>Bu</td><td>666</td></tr>
<tr><td>Zo</td><td>70</td></tr>
<tr><td>Meu</td><td>80</td></tr>
</tbody>
</table>

Answer 2

Something along the lines of

function(table)
{
  for(var i=0;i<table.rows.length;i++)
  {
    newcell = table.rows[i].cells[0].cloneNode(true);
    table.rows[i].appendChild(newcell);
  }
}