Range band in EJ2 JavaScript Sparkline control

18 Apr 20236 minutes to read

This section explains how to customize the sparkline with multiple range bands.

Range band customization

The range band feature is used to highlight a particular range along with the y-axis using the [startRange] and [endRange] properties. You can also customize the [color] and [opacity] of the range band.

index.js
index.html
//Initialize Sparkline component
var sparklineInstance = new ej.charts.Sparkline({
   height: '150px',
    width: '150px',
    lineWidth: 2,
    fill: '#0d3c9b',
    dataSource:   [0, 6, 4, 1, 3, 2, 5],
    // To configure range band settings
    rangeBandSettings: [
            {
                startRange: 1,
                endRange: 3,
                color: '#bfd4fc',
                opacity:0.4
            }
    ]
});
//Render initialized Sparkline
sparklineInstance.appendTo("#element");
<!DOCTYPE html><html lang="en"><head>
    <title>Essential JS 2 for Sparkline </title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Essential JS 2 for Sparkline UI Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-charts/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/23.1.36/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" style="margin-top: 15%;">
            <div id="element" align="center"></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>

Multiple range band customization

You can define multiple range bands to a sparkline as shown in the following code sample.

index.js
index.html
//Initialize Sparkline component
var sparklineInstance = new ej.charts.Sparkline({
 height: '150px',
    width: '150px',
    lineWidth: 2,
    fill: '#0d3c9b',
    dataSource:   [0, 6, 4, 1, 3, 2, 5],
    rangeBandSettings: [
            {
                startRange: 1,
                endRange: 2, 
                color: '#bfd4fc',
                opacity:0.4
            },
            {
                startRange: 4,
                endRange: 5, 
                color: 'red',
                opacity:0.4
            }
        ]
});
//Render initialized Sparkline
sparklineInstance.appendTo("#element");
<!DOCTYPE html><html lang="en"><head>
    <title>Essential JS 2 for Sparkline </title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Essential JS 2 for Sparkline UI Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-charts/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/23.1.36/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" style="margin-top: 15%;">
            <div id="element" align="center"></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>