Embed JSON on page with ActiveModel::Serializer

helper.rb

module ApplicationHelper
  def json_for(target, options = {})
    options[:scope] ||= self
    options[:url_options] ||= url_options
    target.active_model_serializer.new(target, options).to_json
  end
end

view.html.erb

<div id="articles" data-articles="<%= json_for @articles %>">