ActiveRecord DOM IDs
The solution—or at least a nice, cheap bandaid that can be applied easily, consists of adding a method to ActiveRecord::Base to help generate these ids without any brainpower involved.
Here’s a very simple implementation that I use in my projects, courtesy of Jamis Buck:
Here’s a very simple implementation that I use in my projects, courtesy of Jamis Buck:
class ActiveRecord::Base def dom_id(prefix=nil) display_id = new_record? ? "new" : id prefix ||= self.class.name.underscore prefix != :bare ? "#{prefix.to_s.dasherize}-#{display_id}" : display_id end endSo, you can do stuff like this in your views: <ul> <% @entries.each do |entry| %> <li id='<%= entry.dom_id %>'> <%= entry.body %> </li> <% end %> </ul>And stuff like this in your controller: def remove_entry entry = JournalEntry.find(params[:id]) update_page do |page| page[entry.dom_id].remove end end