title: how to add a click event to extjs autoel?
body: <p>If i add a button like this</p>
  
  <pre><code>xtype: 'component',
  autoEl: {
    html: '&lt;input type="submit" class="custom_loginbtn" value="Submit"  id="login"/&gt;'
  }
  </code></pre>
  
  <p>any idea how to add a click event to this ?</p>
  
  <p>Regards</p>