So 19130697

by Tushar Gupta

HTML

<table>
    <tr>
        <td>
            <input type="text" name="data1" value="abc" />
        </td>
        <td>
            <button type="button" onClick="addRow(this)">Add</button>
        </td>
    </tr>
</table>

JavaScript

var txtbox = '<tr><td><select><option value="volvo">Volvo</option><option value="saab">Saab</option><option value="mercedes">Mercedes</option><option value="audi">Audi</option></select></td></td>';

function addRow(btn) {
    $(btn).closest('table').append(txtbox);
}