jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. jqxChart is a lightweight and powerful chart widget written 100% in JavaScript. It offers many advanced features and supports three different rendering technologies - SVG, HTML5 Canvas & VML.
The toggle event is triggered when the user clicks on the chart legends.
Syntax:
$('.jqxChart').on('toggle', function (){
// Code
});
Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.
<link type="text/css" rel="Stylesheet" href="jqwidgets/styles/jqx.base.css" />
<script type="text/javascript" src="scripts/jquery-1.11.1.min.js"></script>
<script type="text/javascript" src="jqwidgets/jqxcore.js"></script>
<script type="text/javascript" src="jqwidgets/globalization/globalize.js"></script>
<script type="text/javascript" src="jqwidgets/jqxsortable.js"></script>
Example: The below example illustrates the jqxChart toggle event in jQWidgets.
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href=
"jqwidgets/styles/jqx.base.css" type="text/css" />
<script type="text/javascript"
src="scripts/jquery-1.11.1.min.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxcore.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxchart.core.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxdraw.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxdata.js"></script>
</head>
<body>
<center>
<h1 style="color: green">
GeeksforGeeks
</h1>
<h3>jQWidgets jqxChart toggle event</h3>
<div class='default'></div>
<div id='chartContainer'
style="width:600px; height: 400px">
</div>
</center>
<script type="text/javascript">
$(document).ready(function () {
var json = [
{ Day: 'Monday', A: 3, B: 1, C: 2, D: 1 },
{ Day: 'Tuesday', A: 3, B: 1, C: 2, D: 1 },
{ Day: 'Wednesday', A: 3, B: 1, C: 2, D: 1 },
{ Day: 'Thursday', A: 3, B: 1, C: 2, D: 1 },
{ Day: 'Friday', A: 3, B: 1, C: 2, D: 1 },
{ Day: 'Saturday', A: 3, B: 1, C: 2, D: 1 },
{ Day: 'Sunday', A: 3, B: 1, C: 2, D: 1 }
];
var obj = {
title: "Coding Score",
description: "Coding Questions Solved Daily",
source: json,
categoryAxis: {
dataField: 'Day',
showGridLines: true
},
seriesGroups: [{
type: 'column',
columnsGapPercent: 30,
seriesGapPercent: 0,
valueAxis: {
minValue: 0,
maxValue: 10,
unitInterval: 10,
description: 'Questions Solved'
},
series: [
{ dataField: 'A', displayText: 'A' },
{ dataField: 'B', displayText: 'B' },
{ dataField: 'C', displayText: 'C' },
{ dataField: 'D', displayText: 'D' }
]
}
]
};
$('#chartContainer').jqxChart(obj);
$('#chartContainer').on('toggle', function (e) {
console.log('toggle event is triggered');
});
});
</script>
</body>
</html>
Output:
