title: $touched not working in Angularjs
body: <p>I have the following line's of code. When I use <code>$touched</code> I still don't get the warning when I remove focus from the textarea. Can someone point out what I could be doing wrong here? 
  <br>I am using angularjs v1.5</p>
  
  <pre><code>&lt;textarea ng-model="ctrl.PendingRequest.BusinessJustification"
            name="BusinessJustification"
            class="form-control"
            placeholder="Minimum of 10 characters"
            ng-minLength="10"&gt;&lt;/textarea&gt;
  
  &lt;div class="warning"
       ng-if="!ctrl.check('BusinessJustification') &amp;&amp; BusinessJustification.$touched"&gt;
       Business justification is required
  &lt;/div&gt;
  </code></pre>