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jQuery UI Droppable activeClass Option
  • Last Updated : 19 Mar, 2021

jQuery UI consists of GUI widgets, visual effects, and themes implemented using jQuery, CSS, and HTML. jQuery UI is great for building UI interfaces for the webpages. The jQuery UI Droppable activeClass option is used to add the class that will be added to the droppable while an acceptable draggable is being dragged.

Syntax:

$( ".selector" ).droppable({
  activeClass: "ui-state-highlight"
});

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:

HTML




<!doctype html>
<html lang="en">
  
<head>
    <meta charset="utf-8">
    <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;
        }
  
        div {
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
        }
  
        #div2 {
            width: 150px;
            height: 150px;
            background: blue;
        }
  
        #div1 {
            position: absolute;
            left: 250px;
            width: 200px;
            height: 200px;
            background: green;
            color: #fff;
        }
    </style>
</head>
  
<body>
    <h1>GeeksforGeeks</h1>
  
    <h3>jQuery UI Droppable activeClass Option</h3>
  
    <div id="div1">Drop here</div>
    <div id="div2">Drag me</div>
  
    <script>
        $("#div2").draggable();
        $("#div1").droppable({
            activeClass: "ui-state-highlight"
        });
    </script>
</body>
  
</html>

Output:

Droppable activeClass option

Reference: https://api.jqueryui.com/droppable/#option-activeClass




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