dvxCharts are fast. It uses SVG for renedering, which allows fast chart
updates without increasing the browser memory usages.
For detailed implementation, please take a look at the HTML code tab.
<!DOCTYPE html>
<html>
<head>
<title>Live Updates Example - JavaScript Chart by dvxCharts</title>
<link rel="stylesheet" type="text/css" href="../../css/dvxCharts.chart.min.css" />
<link rel="stylesheet" type="text/css" href="../../themes/base/styles.css" />
<script src="../../js/dvxCharts.chart.min.js" type="text/javascript"></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<style>
.example-container {
width: 100%;
max-width: 500px;
height: 300px;
}
</style>
<script lang="javascript" type="text/javascript">
var data = [];
var yValue = 20;
for (var i = 0; i < 10; i++) {
yValue = Math.round(Math.random() * 100);
data.push(yValue);
}
var state = {
title: { text: 'Live Updates' },
legend: {
visible: false
},
axes: [
{
location: 'left',
minimum: 0,
maximum: 100
}
],
series: [
{
type: 'column',
data: data
}
]
};
var chart = new dvxCharts.Chart(state);
chart.write('container');
updateChart();
function updateChart() {
yValue = Math.round(Math.random() * 100);
// remove the first element
data.splice(0, 1);
// add a new element
data.push(yValue);
state.series[0].data = data;
chart.setState(state);
setTimeout("updateChart()", 300);
}
</script>
</head>
<body>
<div>
<div id="container" class="example-container">
</div>
</div>
</body>
</html>