jQWidgets jqxChart refreshBegin Event
jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful and optimized framework, platform-independent, and widely supported. 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 refreshBegin event is triggered whenever the displayed jqxChart starts returning.
Syntax:
$('#Selector').on('refreshBegin',
function () {
// Code
}
);
Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.
<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>
Example 1: The below example illustrates the jQWidgets jqxChart refreshBegin event.
HTML
<!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> <script type="text/javascript" src="jqwidgets/jqxchart.api.js"> </script> </head> <body> <center> <h1 style="color: green"> GeeksforGeeks </h1> <h3>jQWidgets jqxChart refreshBegin event</h3> <div id='gfg1' style="width:400px; height: 200px" /> </center> <center> <input type="button" id="btn" value="Click Here" style="padding: 5px 14px; margin-top: 15px;"> <br> <div id="log"></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", showToolTips: true, 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' } ] }] }; $('#gfg1').jqxChart(obj); $('#btn').click(function () { $("#gfg1").jqxChart('refresh'); }); $('#gfg1').on('refreshBegin', function () { $('#log').text("Event Triggered!"); }); }); </script> </body> </html> |
Output:
.gif)
Example 2: The following is another example of the jqxChart refreshBegin event in jQWidgets.
HTML
<!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> <script type="text/javascript" src="jqwidgets/jqxchart.api.js"> </script> </head> <body> <center> <h1 style="color: green"> GeeksforGeeks </h1> <h3>jQWidgets jqxChart refreshBegin event</h3> <div id='gfg1' style="width:400px; height: 200px" /> </center> <center> <input type="button" id="btn" value="Click Here" style="padding: 5px 14px; margin-top: 15px;"> <br> <div id="log"></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", showToolTips: true, 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' } ] }] }; $('#gfg1').jqxChart(obj); $('#btn').click(function () { $("#gfg1").jqxChart('refresh'); }); $('#gfg1').on('refreshBegin', function (e) { var args = e.args; if (args === null) { $('#log').text("Null!"); } else { $('#log').text("Not Null!"); } }); }); </script> </body> </html> |
Output:
.gif)
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