I am getting this error when trying to use the remove link explained
in the Railscast:
http://railscasts.com/episodes/197-nested-model-form-part-2
error:
$(link).previous("input[type=hidden]") is undefined
remove_fields()applic...1065175 (line 6)
function onclick(event) { remove_fields(this); return false; }()1
(line 2)
[Break on this error] $(link).previous("input[type=hidden]").value =
"1";
in the view file I have :
<% echantillon_form.fields_for :treatments do |builder| %>
<%= render "treatment", :f => builder %>
<% end %>
in the partial I have :
<p class = "treatmentfields">
<tr>
<td class ="name"> type d'examen: </td><td></td><td><%=
f.text_field :treatmenttype %></td>
<td></td>
</tr>
<tr>
<td class ="name"> commentaires sur la preparation : </
td><td></td><td><%= f.text_field :preparation %></td>
<td></td>
</tr>
<%= f.hidden_field :_destroy %>
<tr><td><%= link_to_function "remove", "remove_fields(this)"
%></td></tr>
</p>
and in the appliction.js file I have:
function remove_fields(link) {
$(link).previous("input[type=hidden]").value = "1";
$(link).up(".treatmentfields").hide();
}
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