title: Change message in Alert Popup - Ionic 2
body: <p>I have this: </p>
  
  <pre><code>  doAlert() {
        let alert = this.alertCtrl.create({
             title: 'My Popup',
             message: this.updateStatus
        });
        alert.present()
    }
  
    this.updateStatus = 'Start';
    this.doAlert();
  
    setTimeout(() =&gt; {
        this.updateStatus = 'Finish';
        console.log('Done Timeout');
    }, 1000);
  </code></pre>
  
  <p>The alert shows only Start like picture below, even the console.log is trigger.</p>
  
  <p><a href="https://i.stack.imgur.com/i3dyK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/i3dyK.png" alt="enter image description here"></a></p>
  
  <p>How can I trigger it to change the message to Finish?</p>