title: AngularJS - Set title attribute
body: <p>I want to set an title attribute if a certain a condition is true. If content is avaiblabe I want to set a class and the alt text. How can I set the title text?</p>
  
  <p>HTML</p>
  
  <pre><code>&lt;li ng-class="{true: 'my_class', false: ''}[content]"  title="this is content"&gt;  
  </code></pre>