title: Adding multiple class using ng-class
body: <p>Can we have multiple expression to add multiple ng-class ?</p>
  
  <p>for eg.</p>
  
  <pre><code>&lt;div ng-class="{class1: expressionData1, class2: expressionData2}"&gt;&lt;/div&gt;
  </code></pre>
  
  <p>If yes can anyone put up the example to do so.</p>
  
  <p>.</p>