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- <div data-controller="post">
- <%= form_for(@post, url: { controller: :posts, action: :create }) do |f| %>
- <%= f.text_field :content, 'data-target': 'post.input', 'data-action': 'keyup->post#preview' %>
- <%= f.submit '投稿する' %>
- <% end %>
- </div>
- // ここにフォームの入力内容を表示する
- <div data-target="post.preview"></div>
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