display_code.html.haml

%h1= I18n.t('maker.google_oauth.login_with_google')

%p= I18n.t('maker.google_oauth.copy_code')

= text_field_tag :maker_code, @secret_code, readonly: true
= button_tag I18n.t(:copy), id: "btn-copy"

:javascript
  $(document).ready(function() {
    $('#btn-copy').click(function() {
      $('#maker_code').select();
      document.execCommand("copy");
    });
  });