Step line Chart in EJ2 JavaScript control
28 Sep 20236 minutes to read
Step line
To render a step line series, use series type
as StepLine
and inject StepLineSeries
module using Chart.Inject(StepLineSeries)
method.
var chartData = [
{ x: 2006, y: 378 }, { x: 2007, y: 416 },
{ x: 2008, y: 404 }, { x: 2009, y: 390 },
{ x: 2010, y: 376 }, { x: 2011, y: 365 }
];
var chart = new ej.charts.Chart({
primaryXAxis: {
title: 'Year',
minimum: 2005, maximum: 2012, interval: 1
},
primaryYAxis: {
minimum: 330, maximum: 450, interval: 30,
title: 'Intensity (g/kWh)'
},
series:[{
dataSource: chartData, width:2,
xName: 'x', yName: 'y',
name: 'USA',
// Series type as StepLine
type: 'StepLine'
}],
title: 'CO2 - Intensity Analysis'
}, '#element');
<!DOCTYPE html><html lang="en"><head>
<title>EJ2 Animation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Typescript UI Controls">
<meta name="author" content="Syncfusion">
<link href="index.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/23.2.4/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<div id="element"></div>
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>
Series customization
The following properties can be used to customize the step line
series.
- fill – Specifies the color of the series.
- opacity – Specifies the opacity of fill.
- dashArray – Specifies the dashes for series.
- width – Specifies the width for series.
var chartData = [
{ x: 2005, y: 28 }, { x: 2006, y: 25 },{ x: 2007, y: 26 }, { x: 2008, y: 27 },
{ x: 2009, y: 32 }, { x: 2010, y: 35 }, { x: 2011, y: 30 }
];
var chart = new ej.charts.Chart({
primaryXAxis: {
title: 'Year',
minimum: 2004, maximum: 2012, interval: 1
},
primaryYAxis: {
minimum: 20, maximum: 40, interval: 5,
title: 'Efficiency',
labelFormat: '{value}%'
},
series:[{
dataSource: chartData,
//fill for chart series
fill: 'red',
//line width as 4 for chart series
width:4,
//dash array value as 5,5
dashArray: '5,5',
xName: 'x', yName: 'y',
type: 'StepLine'
}],
title: 'Efficiency of oil-fired power production'
}, '#element');
<!DOCTYPE html><html lang="en"><head>
<title>EJ2 Animation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Typescript UI Controls">
<meta name="author" content="Syncfusion">
<link href="index.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/23.2.4/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<div id="element"></div>
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>