+ others. Selecting points on one will select points on the others.</p>
+
+ <p>To use this, source <a href="https://github.com/danvk/dygraphs/blob/master/extras/synchronizer.js"><code>extras/synchronizer.js</code></a> on your page.
+ See the comments in that file for usage.</p>
+
+ <div class="chart-container">
+ <div id="div1" class="chart"></div>
+ <div id="div2" class="chart"></div>
+ <div id="div3" class="chart"></div>
+ <div id="div4" class="chart"></div>
+ </div>