<%= form_for message, remote: true,uthenticity_token: true do |f| %> <%= f.label :your_message %>: <%= f.text_area :content, class: "form-control", data: {textarea: "message"},id:"textfield1" %> <%= f.hidden_field :chatting_id, value: chatting.id %> <%= f.submit "send", class: "btn btn-primary", data: {send: "message"}, id:"ClearFields" %> <% end %>