When you've got a form field such as this:
<%= f.text_field :last_name %>
it will generate this in HTML:
<input id="person_last_name" name="person[last_name]" size="30" type="text" />
I'd like to know if there's any way to get the name attribute (in this case "person[last_name]") that will be generated.
It seems a bit of an odd thing to want to get but I've got my reasons! I also can't be bothered launching into a lengthy explanation too.
After inspecting the form object, I found that you can get the object_name
from it.
So this worked well for me: "#{f.object_name}[field_name]"
Which will generate: object[object_attributes][0][field_name]