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Special points customization

You can customize the points by initializing the point colors. The customization options allows to differentiate the [start], [end], [positive], [negative], and [low] points. This customization is only applicable for line, column, and area type sparklines.

Source
Preview
index.js
index.html
index.css
//Initialize Sparkline component
var sparklineInstance = new ej.charts.Sparkline({
 height: '150px',
    width: '130px',
    dataSource: [
            { x: 0, xval: 'AUDI', yval: 1 },
            { x: 1, xval: 'BMW', yval: 5 },
            { x: 2, xval: 'BUICK', yval: -1 },
            { x: 3, xval: 'CETROEN', yval: -6 },
            { x: 4, xval: 'CHEVROLET', yval: 0 },
            { x: 5, xval: 'FIAT', yval: 1 },
            { x: 6, xval: 'FORD', yval: -2 },
            { x: 7, xval: 'HONDA', yval: 7 },
            { x: 8, xval: 'HYUNDAI', yval: -9 },
            { x: 9, xval: 'JEEP', yval: 0 },
            { x: 10, xval: 'KIA', yval: -10 },
            { x: 11, xval: 'MAZDA', yval: 3 }
        ],
    // Assign the dataSource values to series of sparkline 'xName and yName'
    xName: 'xval', yName: 'yval',
    // Assign the 'Column' as type of Sparkline
    type:'Column',
    // Assign the value type as "Category" to the sparkline
    valueType: 'Category',
    // To configure sparkline series highest y value point color.
    highPointColor:'blue',
    // To configure sparkline series lowest y value point color.
    lowPointColor:'orange',
    // To configure sparkline series first x value point color.
    startPointColor:'green',
    // To configure sparkline series last x value point color.
    endPointColor:'green',
    // To configure sparkline series negative y value point color.
    negativePointColor:'red'
});
//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="//cdn.syncfusion.com/ej2/ej2-sparkline/styles/material.css" rel="stylesheet">
    
    
<script src="//cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container" style="margin-top: 15%;">
            <div class="spark" 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>
#container {
    visibility: hidden;
}

#loader {
  color: #008cff;
  height: 40px;
  width: 30%;
  position: absolute;
  font-family: 'Helvetica Neue','calibiri';
  font-size: 14px;
  top: 45%;
  left: 45%;
}
.spark { 
    border: 1px solid rgb(209, 209, 209); 
    border-radius: 2px; 
    width: 100%; 
    height: 100%;
}

Tie point color

Tie point color is used to configure the win-loss series type sparkline’s y-value point color. The following code sample shows the tie point color of sparkline series.

Source
Preview
index.js
index.html
index.css
//Initialize Sparkline component
var sparklineInstance = new ej.charts.Sparkline({
  height: '150px',
    width: '130px',
    dataSource: [12, 15, -10, 13, 15, 6, -12, 17, 13, 0, 8, -10],
    // Assign the 'WinLoss' as type of Sparkline
    type:'WinLoss',
    // Assign the value type as "Numeric" to the sparkline
    valueType: 'Numeric',
    tiePointColor:'blue'
});
//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="//cdn.syncfusion.com/ej2/ej2-sparkline/styles/material.css" rel="stylesheet">
    
    
<script src="//cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container" style="margin-top: 15%;">
            <div class="spark" 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>
#container {
    visibility: hidden;
}

#loader {
  color: #008cff;
  height: 40px;
  width: 30%;
  position: absolute;
  font-family: 'Helvetica Neue','calibiri';
  font-size: 14px;
  top: 45%;
  left: 45%;
}
.spark { 
    border: 1px solid rgb(209, 209, 209); 
    border-radius: 2px; 
    width: 100%; 
    height: 100%;
}