title: Multiple tooltip is not visible when adding dynamic points in chartjs
body: <p>I have a chartjs multiple tooltip to display the X &amp; Y axis values in tooltip. But when the data points are added dynamically the tooltip is not visible. </p>
  
  <p>Any help would be appreciated.</p>
  
  <p>HTML</p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
    &lt;meta charset="utf-8"&gt;
    &lt;title&gt;JS Bin&lt;/title&gt;
    &lt;script src="//www.chartjs.org/assets/Chart.min.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
    &lt;canvas id="updating-chart" width="500" height="300"&gt;&lt;/canvas&gt;
  
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p><a href="http://jsbin.com/zibeniboya/1/edit" rel="nofollow">JS bin link</a></p>