respond_to :js

[fugee ohu]

respond_to :js, only: :videochat

  def videochat

    respond_to do |format|

        format.js

    end

  end

ActionController::UnknownFormat in ConversationsController#videochat

ActionController::UnknownFormat

[Rob Zolkos]

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.

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