tests/dynamic-update.html

   1 <!DOCTYPE html>
   2 <html>
   3   <head>
   4     <link rel="stylesheet" href="../css/dygraph.css">
   5     <title>Live random data</title>
   6     <!--
   7     For production (minified) code, use:
   8     <script type="text/javascript" src="dygraph-combined.js"></script>
   9     -->
  10     <script type="text/javascript" src="../dist/dygraph.js"></script>
  11
  12   </head>
  13   <body>
  14     <h3 style="width:800px; text-align: center;">Live random data</h3>
  15     <div id="div_g" style="width:800px; height:400px;"></div>
  16
  17     <script type="text/javascript">
  18       var data = [];
  19       var t = new Date();
  20       for (var i = 10; i >= 0; i--) {
  21         var x = new Date(t.getTime() - i * 1000);
  22         data.push([x, Math.random()]);
  23       }
  24
  25       var g = new Dygraph(document.getElementById("div_g"), data,
  26                           {
  27                             drawPoints: true,
  28                             showRoller: true,
  29                             valueRange: [0.0, 1.2],
  30                             labels: ['Time', 'Random']
  31                           });
  32       setInterval(function() {
  33         var x = new Date();  // current time
  34         var y = Math.random();
  35         data.push([x, y]);
  36         g.updateOptions( { 'file': data } );
  37       }, 1000);
  38
  39     </script>
  40
  41     <p>This test is modeled after a <a
  42       href="http://www.highcharts.com/demo/?example=dynamic-update&theme=default">highcharts
  43       test</a>. New points should appear once per second. Try zooming and
  44     panning over to the right edge to watch them show up.</p>
  45   </body>
  46 </html>