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jQWidgets jqxKnob dragEndAngle Property

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  • Last Updated : 28 Nov, 2021

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. The jqxKnob is used for representing a jQuery plugin having a round shape and displaying a draggable indicator within a range of the specified values. This API can also be used in a table or matrix for showing the relative value of a field in a range of values in the specified data region.

The dragEndAngle property is used for setting or getting the angle of the specified jqxKnob where dragging of the pointer will end.

Syntax:

  • For setting the dragEndAngle property.
    $('#jqxKnob').jqxKnob({dragEndAngle: 300 });
  • For getting the dragEndAngle property.
    var allowValueChangeOnClick = 
        $('#jqxKnob').jqxKnob('dragEndAngle');

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.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdraw.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxknob.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxnumberinput.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqx-all.js”></script>

Example: The below example illustrates the jQWidgets jqxKnob dragEndAngle property. In the below example, the value for the dragEndAngle property has been set to 300.

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.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxcore.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxbuttons.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxdraw.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxknob.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxnumberinput.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqx-all.js">
    </script>
</head>
<body>
    <center>
        <h1 style="color:green;">
            GeeksforGeeks
        </h1>
        <h3> jQWidgets jqxKnob dragEndAngle Property </h3>
        <div id='jqx_Knob'>
            <center>
                GeeksforGeeks
            </center>
        </div>
        <input type="button" style="margin: 65px;" 
               id="button_for_dragEndAngle"
               value="Value of the dragEndAngle property"/>
        <div id="log"></div>
        <script type="text/javascript">
            $(document).ready(function () {
                $('#jqx_Knob').jqxKnob({
                    value: 5,
                    min: 0,
                    max: 50,
                    dragEndAngle: 300,
                    startAngle: 0,
                    endAngle: 360,
                    snapToStep: true,
                    marks: {
                        colorRemaining: { color: 'red' },
                        colorProgress: { color: 'green' },
                        offset: '70%',
                        thickness: 5,
                        size: '4%'
                    },
                    labels: {
                        offset: '85%',
                        step: 5
                    },
                    progressBar: {
                        style: {
                            fill: 'yellow',
                            stroke: 'black'
                        },
                        size: '8%',
                        offset: '61%',
                        background: { fill: 'black' }
                    },
                    pointer: {
                        type: 'arrow',
                        style: { fill: 'green' },
                        size: '68%',
                        offset: '29%',
                        thickness: 15
                    }
                });
                $("#button_for_dragEndAngle").jqxButton({
                    width: 350,
                    theme: 'energyblue'
                });
                $('#button_for_dragEndAngle')
                .jqxButton().click(function () {
                    var value_of_dragEndAngle =
                        $('#jqx_Knob').jqxKnob('dragEndAngle');
                    $("#log").html(value_of_dragEndAngle);
                })
            });
        </script>
    </center>
</body>
</html>


Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxknob/jquery-knob-api.htm?search=


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