rmat such that it only requires the first date to be defined, on the understanding that each item in the values array is a month value.  Only defining the first date is a performance consideration.</p>
<h4 id="use-with-chart-controls">Use with Chart Controls</h4>
<p>Chart controls are used with the chart components to allow a user to filter the data that is presented in the chart.</p>
<p>Extending the above example:</p>
<pre><code>
&lt;!-- chart controls --&gt;
&lt;form data-chart-controls data-chart-contro