Ranges in JavaScript (ES5) Bullet Chart control

06 Jun 2023 / 2 minutes to read

Ranges represent the quality of a specific range such as Good, Bad and Satisfactory in the Bullet Chart scale. The ending point of a qualitative range is specified in the end property in ranges. The minimum value of a quantitative scale is considered the starting point of the first range or the previous range end point.

Source

Preview

index.html

<!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/ej2/21.2.3/dist/ej2.min.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>

Color Customization

Enhance the readability of ranges with color and opacity. It can be applied using the color and opacity properties in ranges.

Source

Preview

index.js

index.html

var chart = new ej.charts.BulletChart({
      title: 'Sales Rate',
        dataSource: [
        { value: 55, target: 75, category: 'Year 1'  },
        { value: 70, target: 70, category: 'Year 2'  },
        { value: 85, target: 75, category: 'Year 3'  }
        ],
        animation: { enable: false },
        valueField: 'value',
        targetField: 'target',
        categoryField: 'category',
        categoryLabelStyle: { color: 'red', size: '13', fontWeight: 'bold'},
        ranges: [ { end: 35, color: 'darkred', opacity: 0.5 },
        { end: 50, color: 'red', opacity: 1 },
        { end: 75, color: 'blue', opacity: 0.7 },
        { end: 90, color: 'lightgreen', opacity: 1 },
        { end: 100, color: 'green', opacity: 1 }
        ],
        minimum: 0, maximum: 100, interval: 10,
        height: '400'
}, '#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/ej2/21.2.3/dist/ej2.min.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>