jQuery UI Progressbar change Event

Last Updated : 24 May, 2022

jQuery UI consists of GUI widgets, visual effects, and themes implemented using HTML, CSS, and jQuery. jQuery UI is great for building UI interfaces for the webpages. The jQuery UI Progressbar widget is used to add display the status of a determinate or indeterminate process.

The jQuery UI Progressbar change event is used triggered when the value of the progressbar changes.

The Slider slide event accepts two values that are listed below.

event: It represents the event for the slider widget.
ui: It is of an object type. The ui object is empty but it is included for consistency with other events.

Syntax:

Initialize the progressbar with the change callback.

$( ".selector" ).progressbar({
      change: function( event, ui ) {}
});

Bind an event listener to the progressbarchange change event.

$( ".selector" ).on( 
    "progressbarchange", 
    function( event, ui ) {} 
);

CDN Link: First, add jQuery UI scripts needed for your project.

<link rel=”stylesheet” href=”//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css”>
<script src=”//code.jquery.com/jquery-1.12.4.js”></script>
<script src=”//code.jquery.com/ui/1.12.1/jquery-ui.js”></script>

Example: This example describes the uses of the jQuery UI Progressbar change event.

HTML

<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <meta charset="utf-8"> 
    <title> 
        jQuery UI Progressbar change Event 
    </title> 
    <link rel="stylesheet" href= 
"//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css"> 
  
    <script src= 
"//code.jquery.com/jquery-1.12.4.js"></script> 
    <script src= 
"//code.jquery.com/ui/1.12.1/jquery-ui.js"> 
    </script> 
  
    <style> 
        h1 { 
            color: green; 
        } 
      
        #divID { 
            width: 600px; 
        } 
    </style> 
</head> 
  
<body> 
    <center> 
        <h1>GeeksforGeeks</h1> 
  
        <h3>jQuery UI Progressbar change Event</h3> 
  
        <div id="divID"></div> 
        <br><br> 
  
        <input type="button" id="btn" 
               value="Change Value" 
               style="padding: 5px 15px;"> 
    </center> 
  
    <script> 
        $(document).ready(function () { 
            $("#divID").progressbar({ 
                value: 55 
            }); 
              
            $("#btn").on('click', function () { 
                $("#divID").progressbar("value", 70); 
                alert("Progressbar value has been changed!"); 
            }); 
        }); 
    </script> 
</body> 
</html>