angular 2 - how to set <select> default selected option : <p>My template is like this</p>

<pre><code>&lt;select&gt;
  &lt;option&gt;AM&lt;/option&gt;
  &lt;option&gt;PM&lt;/option&gt;
&lt;/select&gt;
</code></pre>

<p>How can I set option AM selected by default?</p>
