boxes_controller.rb

module Main
  class BoxesController < Volt::ModelController
    model :store

    def create_box
      boxes << Box.new(width: 100, height: 100)
    end

    def delete_boxes
      boxes.reverse.map(&:destroy)
    end

  end
end

index.html

<:Title>
  boxes index

<:Body>
  <h1>Boxes</h1>

  <button e-click="create_box">Create Box</button>
  <button e-click="delete_boxes">Delete Boxes</button>

  <div class="boxes-container">
    {{ _boxes.each do |box| }}
      <:box model="{{ box }}">
    {{ end }}
  </div>

<:Box>
  <div class="box">
    Box
  </div>