This sample demonstrates how to change (add, remove) chart series.
For detailed implementation, please take a look at the HTML code tab.
<!DOCTYPE html>
<html>
<head>
<title>Change Chart Series 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">
function getRandomData() {
var data = [];
for (var i = 0; i < 20; i++) {
data.push([i, Math.round(Math.random() * 100)]);
}
return data;
}
var state = {
title: {
text: 'Change Series'
},
legend: {
visible: false
},
axes: [
{
location: 'bottom',
minimum: 0,
maximum: 20
},
{
location: 'left',
minimum: 0,
maximum: 100
}
],
series: [
{
type: 'line',
data: getRandomData()
}
]
};
var chart = new dvxCharts.Chart(state);
chart.write('container');
function addSeries() {
var newSeries = {
type: 'line',
data: getRandomData()
};
state.series.push(newSeries);
chart.setState(state);
}
function removeSeries() {
// remove the last series
state.series.splice(state.series.length - 1, 1);
chart.setState(state);
}
</script>
</head>
<body>
<div id="container" class="example-container">
</div>
<br />
<input id="buttonAddSeries" type="button" value="Add new series" onclick="addSeries()" />
<input id="buttonRemoveSeries" type="button" value="Remove last series" onclick="removeSeries()" />
<br />
</body>
</html>