title: execute a function when *ngFor finished in angular 2
body: <p>I trying to create a application with angular 2,i want when last element rendered in *ngFor,execute a function, somthing like this :</p>
  
  <pre><code>&lt;ul&gt;
    &lt;li *ngFor="#i of items"&gt;{{i.text}}&lt;/li&gt; &lt;==== i want when this completed, execute a functuon in my class
  &lt;/ul&gt;
  </code></pre>
  
  <p>Thanks.</p>