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jQuery Mobile Filterable beforefilter Event

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  • Last Updated : 30 Jan, 2022

jQuery UI is a web-based technology and consists of various GUI widgets, visual effects, and themes. These features can be implemented using the jQuery JavaScript Library. jQuery UI is the best tool for building UI interfaces for the webpages. It can also be used to build highly interactive web applications or can be used to add widgets easily.

The jQuery Mobile Filterable beforefilter Event is used to trigger before the widget begins filtering the list of children.

Syntax:

We need to initialize the Filterable widget with the beforefilter a callback function:

$( ".selector" ).filterable({ beforefilter: function( event, ui ) {} });
  • Bind an event listener to the filterablebeforefilter an event:

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

Parameters: These are the following parameters that are accepted:

  • event: This event is triggered before the widget begins filtering the list of children.
  • ui: This parameter is of type object and it is empty but included for consistency with other events.

CDN Link: Below are some jQuery Mobile scripts that will be needed for your project so add these to your project.

<link rel=”stylesheet” href=”https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.css” />
<script src=”http://code.jquery.com/jquery-1.11.0.min.js”></script>
<script src=”https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js”></script>

Example: This example describes the uses of the jQuery Mobile Filterable beforefilter Event.

HTML




<!DOCTYPE html>
<html lang="en">    
<head>
    <meta charset="utf-8">
    <meta name="viewport"
          content="width=device-width, initial-scale=1">
    <link rel="stylesheet" 
          href=
    <script src=
    </script>
    <script src=
    </script>
    <script>
        $(document).ready(function () {
            $(".items").filterable({
                   beforefilter : function (event, ui) {
                    $(".res").html ($(".res").html () 
                     + "<b>Filterable beforefilter was triggered.</b><br>");
                   }
            });
        });
    </script>
</head>
<body>
 <center>
        <div data-role="page" id="page1">
            <div>
                <h1 style = "color:green;">GeeksforGeeks</h1>
                <h3>jQuery Mobile Filterable beforefilter Event</h3>
            </div>
        
            <div role="main" class="ui-content">
                <div >
                    <ul class="items" style="list-style-type:none;">
                        <li>
                            <a href="https://www.geeksforgeeks.org/data-structures"
                               target="_blank">
                                Data Structures
                            </a>
                        </li>
                        <li>
                            <a href=
                               target="_blank">
                                Interview preparation
                            </a>
                        </li>
                        <li>
                            <a href="https://www.geeksforgeeks.org/java"
                               target="_blank">
                                Java Programming
                            </a>
                        </li>
                    </ul>
                </div>
            </div>
            <div class="res"></div>
        </div>
    </center>
</body>
</html>

Output:

jQuery Mobile Filterable beforefilter Event

 jQuery Mobile Filterable beforefilter Event

Reference: https://api.jquerymobile.com/filterable/#event-beforefilter


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