respond_to :js, only: :videochat
def videochat
respond_to do |format|
format.js
end
end
ActionController::UnknownFormat in ConversationsController#videochat
ActionController::UnknownFormat
This was removed at class level in Rails 4.2 . https://edgeguides.rubyonrails.org/4_2_release_notes.html#respond-with-class-level-respond-to
You can leave the instance level one it will work fine.
