nt with a high frequency of
    queries to server (more real-time data but more resource consuming) and for non-critical data we can refresh chart
    after a few seconds.</p>
<p>But what if we want to display chart for <strong>multiple data points?</strong></p>
<hr>
<h3>Multiple points</h3>
<p>Just add next data point after comma in <em>‘point-id’</em> property.</p>
<pre><code>&lt;div id=&quot;chart-step-line-0&quot; point-id=&quot;[dataPointID],[anotherDataPointID],[andNextDataPointID&quot;],[fourthDa