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Getting started with JavaScript (ES5) Sparkline control

28 Mar 2023 / 3 minutes to read

The Essential JS 2 for JavaScript (global script) is an ES5 formatted pure JavaScript framework which can be directly used in latest web browsers.

Control Initialization

The Essential JS 2 JavaScript controls can be initialized by using either of the following ways.

  • Using local script references in a HTML page.
  • Using CDN link for script reference.

Using local script references in a HTML page

Step 1: Create an app folder quickstart for getting started.

Step 2: You can get the global scripts from the Essential Studio JavaScript (Essential JS 2) build installed location.

Syntax:

Dependency Script: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\{DEPENDENCY_PACKAGE_NAME}\dist\global\{DEPENDENCY_PACKAGE_NAME}.min.js

Control Script: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\{PACKAGE_NAME}\dist\global\{PACKAGE_NAME}.min.js

Example:

Dependency Script: C:\Program Files (x86)\Syncfusion\Essential Studio\JavaScript - EJ2\16.3.0.17\Web (Essential JS 2)\JavaScript\ej2-base\dist\global\ej2-base.min.js

Control Script: C:\Program Files (x86)\Syncfusion\Essential Studio\JavaScript - EJ2\16.3.0.17\Web (Essential JS 2)\JavaScript\ej2-charts\dist\global\ej2-charts.min.js

The below located script file contains all Syncfusion JavaScript (ES5) UI control resources in a single file.

Scripts: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\ej2\dist\ej2.min.js

The Custom Resource Generator (CRG) is an online web tool, which can be used to generate the custom script for a set of specific controls. This web tool is useful to combine the required control scripts in a single file.

Step 3: Create a folder ~/quickstart/resources and copy/paste the global scripts from the above installed location to ~/quickstart/resources/package corresponding package location.

Step 4: Create a HTML page (index.html) in ~/quickstart/index.html and add the Essentials JS 2 script references.

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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Essential JS 2</title>

    <!-- Essential JS 2 Base's global script (Dependency Script) -->
    <script src="resources/base/ej2-base.min.js" type="text/javascript"></script>
    <!-- Essential JS 2 charts's global script (Control Script) -->
    <script src="resources/charts/ej2-charts.min.js" type="text/javascript"></script>
</head>
<body>
</body>
</html>

Step 5: Now, add the Charts element and initiate the Syncfusion JavaScript (ES5) Charts control in the ~/quickstart/index.html by using following code.

Copied to clipboard
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Essential JS 2</title>

    <!-- Essential JS 2 Base's global script (Dependency Script) -->
    <script src="resources/base/ej2-base.min.js" type="text/javascript"></script>
    <!-- Essential JS 2 sparkline's global script (Control Script) -->
    <script src="resources/charts/ej2-charts.min.js" type="text/javascript"></script>
</head>
<body>
    <!-- Add the HTML <sparkline> element  -->
    <sparkline id="element">Sparkline</sparkline>
    <script>
        // initialize sparkline control
        var sparkline = new ej.charts.Sparkline();
        // Render initialized sparkline.
        sparkline.appendTo('#element');
    </script>
</body>
</html>

Step 6: Now, run the index.html in web browser, it will render the Syncfusion JavaScript Sparkline control.

Bind data source to sparkline

The [dataSource] property is used for binding data source to the sparkline. This property takes the collection value as input. For example, a list of objects can be provided as input.

Source
Preview
index.js
index.html
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//Initialize Sparkline component
var sparklineInstance = new ej.charts.Sparkline({
    height: '100px',
    width: '50%',
    dataSource: [
            { x: 0, xval: '2005', yval: 20090440 },
            { x: 1, xval: '2006', yval: 20264080 },
            { x: 2, xval: '2007', yval: 20434180 },
            { x: 3, xval: '2008', yval: 21007310 },
            { x: 4, xval: '2009', yval: 21262640 },
            { x: 5, xval: '2010', yval: 21515750 },
            { x: 6, xval: '2011', yval: 21766710 },
            { x: 7, xval: '2012', yval: 22015580 },
            { x: 8, xval: '2013', yval: 22262500 },
            { x: 9, xval: '2014', yval: 22507620 },
        ],
    // Assign the dataSource values to series of Sparkline 'xName and yName'
    xName: 'xval', yName: 'yval'
});
//Render initialized Sparkline
sparklineInstance.appendTo("#element");
Copied to clipboard
<!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="//cdn.syncfusion.com/ej2/21.1.35/ej2-charts/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/21.1.35/dist/ej2.min.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>

Change the type of sparkline

You can change the sparkline type by setting the [type] property to [Line], [Column], [WinLoss], [Pie], or [Area]. Here, the sparkline type has been set to [area].

Source
Preview
index.js
index.html
Copied to clipboard
//Initialize Sparkline component
var sparklineInstance = new ej.charts.Sparkline({
    height: '100px',
    width: '50%',
    dataSource: [
            { x: 0, xval: '2005', yval: 20090440 },
            { x: 1, xval: '2006', yval: 20264080 },
            { x: 2, xval: '2007', yval: 20434180 },
            { x: 3, xval: '2008', yval: 21007310 },
            { x: 4, xval: '2009', yval: 21262640 },
            { x: 5, xval: '2010', yval: 21515750 },
            { x: 6, xval: '2011', yval: 21766710 },
            { x: 7, xval: '2012', yval: 22015580 },
            { x: 8, xval: '2013', yval: 22262500 },
            { x: 9, xval: '2014', yval: 22507620 },
        ],
    // Assign the dataSource values to series of Sparkline 'xName and yName'
    xName: 'xval', yName: 'yval',
    // Assign the 'area' as type of Sparkline
    type:'Area'
});
//Render initialized Sparkline
sparklineInstance.appendTo("#element");
Copied to clipboard
<!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="//cdn.syncfusion.com/ej2/21.1.35/ej2-charts/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/21.1.35/dist/ej2.min.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>

Enable tooltip for sparkline

The sparkline displays additional information through tooltip when the mouse is hovered over the sparkline. You can enable tooltip by setting the [visible] property to true in [tooltipSettings] and injecting SparklineTooltip module using the Sparkline.Inject(SparklineTooltip ) method.

Source
Preview
index.js
index.html
Copied to clipboard
//Initialize Sparkline component
var sparklineInstance = new ej.charts.Sparkline({
    height: '100px',
    width: '50%',
    dataSource: [
            { x: 0, xval: '2005', yval: 20090440 },
            { x: 1, xval: '2006', yval: 20264080 },
            { x: 2, xval: '2007', yval: 20434180 },
            { x: 3, xval: '2008', yval: 21007310 },
            { x: 4, xval: '2009', yval: 21262640 },
            { x: 5, xval: '2010', yval: 21515750 },
            { x: 6, xval: '2011', yval: 21766710 },
            { x: 7, xval: '2012', yval: 22015580 },
            { x: 8, xval: '2013', yval: 22262500 },
            { x: 9, xval: '2014', yval: 22507620 },
        ],
    // Assign the dataSource values to series of Sparkline 'xName and yName'
    xName: 'xval', yName: 'yval',
    type:'Area',
    // To enable the tooltip for Sparkline
    tooltipSettings: {
        visible: true,
        format: '${xval} : ${yval}'
    }
});
//Render initialized Sparkline
sparklineInstance.appendTo("#element");
Copied to clipboard
<!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="//cdn.syncfusion.com/ej2/21.1.35/ej2-charts/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/21.1.35/dist/ej2.min.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>
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