Ons-select is not displayed correctly

[Facundo Arnold]

Ons-select is not displayed as a select, it simply shows the 3 options.
There are no js errors on the console.
I’m using the example of the tutorial, and so it does not work.
Any suggestions?
Thanks

  <ons-template id="mensajes.html">
    <ons-page id="mensajes">
      <ons-toolbar>
        <div class="left">
          <ons-toolbar-button onclick="fn.open()">
            <ons-icon icon="md-menu"></ons-icon>
          </ons-toolbar-button>
        </div>
        <div id="cd_title" class="center">MENSAJES
        </div>
        <div class="right">
          <ons-back-button>Volver</ons-back-button>
        </div>
      </ons-toolbar>
      <h3>Choose a type of select with different modifiers:</h3>
      <ons-select id="choose-sel" modifier="basic">
        <option value="basic">Basic</option>
        <option value="material">Material</option>
        <option value="underbar">Underbar</option>
      </ons-select>
    </ons-page>
  </ons-template>

[Fran Diox]

@Facundo-Arnold Just update Onsen UI. I guess you are not using 2.2.0.

[Facundo Arnold]

I create the application via monaca, with the “create” command.
To upgrade to version 2.2.0, I just need to copy the libraries to \ www \ lib \ onsenui ? or via npm?
Thansk

[Facundo Arnold]

Perfect, I installed the new version via copy files in the lib directory.
another question.
I can not create and attach at runtime option items
Codepen Example:
https://codepen.io/anon/pen/wJyRaq?&editors=101

[Fran Diox]

@Facundo-Arnold Use select-id instead of id. https://onsen.io/v2/docs/js/ons-select.html#attributes

[Facundo Arnold]

Excelent! Thanks again!