# e.g.
# <table>
# <tbody>
# <tr>
# <td><input name="foo" type="text" /></td>
# <td><input name="bar" type="text" /></td>
# </tr>
# </tbody>
# </table>
row = first('table tbody tr')
row.fill_in "foo", with: 'A value'
row.fill_in "bar", with: 'Another value'
el = find(...)
puts el['innerHTML']