search for: link_to_add_fields

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]

Hello people In my rails 3.0.9 app I''m trying to add nested attributes dynamically, but I don''t want to use "nested form gem" So I found this example https://github.com/alloy/complex-form-examples/blob/a234fde4419836f277d7e340657f1d8418911d68/app/helpers/projects_helper.rb but this code doesn''t work module ProjectsHelper def