Speed tester charts download/upload

Using google charts to generate 2 charts for rendering Download & Upload speed

by Alvaro Aneiros

HTML

<script type="text/javascript" src="https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1.1','packages':['gauge']}]}"></script>
       <div id="chart_div" style="width: 400px; height: 120px;"></div>

JavaScript

google.setOnLoadCallback(drawChart);
      function drawChart() {

        var data = google.visualization.arrayToDataTable([
          ['Label', 'Value'],
          ['Download', 80],
          ['Upload', 55],
        ]);

        var options = {
          width: 800, height: 240,
          greenFrom: 70, greenTo: 100,
          yellowFrom:10, yellowTo: 70,
          redFrom:0, redTo: 10,
          minorTicks: 5
        };

        var chart = new google.visualization.Gauge(document.getElementById('chart_div'));

        chart.draw(data, options);

        setInterval(function() {
          data.setValue(0, 1, 40 + Math.round(60 * Math.random()));
          chart.draw(data, options);
        }, 13000);
        setInterval(function() {
          data.setValue(1, 1, 40 + Math.round(60 * Math.random()));
          chart.draw(data, options);
        }, 5000);
        setInterval(function() {
          data.setValue(2, 1, 60 + Math.round(20 * Math.random()));
          chart.draw(data, options);
        }, 26000);
      }