title: angular 2 *ngFor how to acces value
body: <p>I have pb with angular 2</p>
  
  <pre><code>&lt;div *ngFor="let elm of elements"&gt;
     &lt;h1&gt;  {{elm["0"].value}}&lt;/h1&gt; 
  &lt;/div&gt;
  </code></pre>
  
  <p>how i can acces to value of "elm" if it is an array ?
  thank you for your help.  </p>