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jQuery UI Droppable drop Event

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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.

In this article, we will be using the jQuery UI Droppable drop event to trigger when an accepted draggable is dropped on the droppable.

Syntax:

We need to initialize the Droppable widget with the drop callback function

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

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

Parameters: These are the following parameters that are accepted.  

  • event: This event is triggered when the draggable item is dropped on the droppable.
  • ui: This parameter is of type object with below-given options.
    • helper: This parameter is the jQuery object representing the sorted helper.
    • offset: This parameter is the current absolute position of the helper object which is represented as { top, left }.
    • position: This parameter is the current position of the helper object which is represented as { top, left }.
    • draggable: This parameter is the jQuery object representing the draggable element.

CDN Link: Add below jQuery Mobile scripts that will be needed for your project.

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

Example: This example demonstrates the jQuery UI Droppable Drop event.

HTML




<!DOCTYPE html>
<html lang="en">
  
<head>
    <meta charset="utf-8">
    <link href=
          rel="stylesheet">
    <script src=
    </script>
    <script src=
    </script>
  
    <style>
        .dragg {
            width: 90px;
            height: 40px;
            border: 1px solid black;
            background-color: blue;
        }
  
        .dropp2 {
            width: 200px;
            height: 40px;
            border: 1px solid black;
            float: center;
            background-color: green;
        }
    </style>
  
    <script>
        $(function () {
            $(".dropp2").droppable();
            $(".dragg").draggable();
            $(".dropp2").droppable({
                drop: function (event, ui) {
                    $(".res").html(
 "<b>Droppable Drop Event Triggered.</b><br>"
                    );
                }
            });
        });
    </script>
</head>
  
<body>
    <center>
        <h1 style="color:green;">GeeksforGeeks</h1>
  
        <h3>jQuery UI Droppable Drop Event</h3>
  
        <div class="dragg">
            <p>Drag</p>
        </div>
        <br>
        <div class="dropp2">
            <p>Drop here</p>
        </div>
        <br>
        <div class="res"></div>
    </center>
</body>
  
</html>


Output:

jQuery UI Droppable drop Event

jQuery UI Droppable Drop Event

Reference: https://api.jqueryui.com/droppable/#event-drop



Last Updated : 25 Jan, 2022
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