title: How to set focus to div of TextAngular
body: <p>I'm using a TextAngular.</p>
  
  <pre><code>&lt;div
      text-angular
      ta-toolbar="[['bold','italics', 'underline', 'ol', 'ul']]"
      ng-model="model"&gt;&lt;/div&gt;
  </code></pre>
  
  <p>I want to set focus by some condition, but I don't understand, how to do this.</p>