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This sample demonstrates how the jqChart works with a real-live data.
For detailed implementation, please take a look at the HTML code tab.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>
Live Data Example - HTML5 jQuery Chart Plugin by jqChart
</title>
<link rel="stylesheet" type="text/css" href="../css/jquery.jqChart.css" />
<link rel="stylesheet" type="text/css" href="../css/jquery.jqRangeSlider.css" />
<link rel="stylesheet" type="text/css" href="../themes/le-frog/jquery-ui-1.8.20.css" />
<script src="../js/jquery-1.5.2.min.js" type="text/javascript"></script>
<script src="../js/jquery.mousewheel.js" type="text/javascript"></script>
<script src="../js/jquery.jqChart.min.js" type="text/javascript"></script>
<script src="../js/jquery.jqRangeSlider.min.js" type="text/javascript"></script>
<!--[if IE]><script lang="javascript" type="text/javascript" src="../js/excanvas.js"></script><![endif]-->
<script lang="javascript" type="text/javascript">
var data = [];
var yValue = 20;
var i;
for (i = 0; i < 40; i++) {
yValue += Math.round(Math.random() * 20 - 10);
data.push([i, yValue]);
}
$(document).ready(function () {
$('#jqChart').jqChart({
title: { text: 'Live Data' },
shadows: {
enabled: true
},
series: [
{
type: 'area',
data: data
}
]
});
updateChart();
});
function updateChart() {
yValue += Math.round(Math.random() * 20 - 10);
// remove the first element
data.splice(0, 1);
// add a new element
data.push([i++, yValue]);
$('#jqChart').jqChart('update');
setTimeout("updateChart()", 500);
}
</script>
</head>
<body>
<div>
<div id="jqChart" style="width: 500px; height: 300px;">
</div>
</div>
</body>
</html>
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