title: How to change line in Ext.MessageBox message?
body: <p>How to change line in Ext.MessageBox message?</p>
  
  <pre><code>if (duplicatedRecords.length &gt; 0) {
  
      var msg = '';
  
      duplicatedRecords.forEach(function(element) {
          msg += ' - ' + element.get('ClientName') + '\n';
      });
  
      Ext.MessageBox.show(
      {
          title: 'Record(s) already exists',
          msg: msg,
          icon: Ext.MessageBox.ERROR,
          buttons: Ext.Msg.OK,
          closable: false
      });
  
  }
  </code></pre>
  
  <p>I've tried with '\n' and doesn't work...</p>
  
  <p><img src="https://i.stack.imgur.com/JhuXH.png" alt="enter image description here"></p>