title: Convert birthday to age in angularjs
body: <p>I want to display age of all my users to grid. I am reading data from facebook.I am not storing it at anywhere.</p>
  
  <p>i am displaying date like :</p>
  
  <pre><code>{{ friend.birthday }}
  </code></pre>
  
  <p>How can i display age instead of displaying birthday.</p>
  
  <p>if it is possible to create filters than how to create filter and how to apply it.</p>