jQuery UI的Droppable enable()方法

jQuery Mobile是一套基于HTML5的用户系统交互widget工具箱，用于各种用途，建立在jQuery之上。它被设计用来建立快速和响应性的网站，可用于手机、标签和桌面。jQuery UI Droppable enable()方法用于使可拖动元素被可拖动元素接受。

语法 :

$('selector').droppable("enable");

参数：该方法不接受任何参数。

CDN链接：首先，添加你的项目需要的jQuery UI脚本。

<link rel=”stylesheet” href=”https://code.jquery.com/ui/1.12.1/themes/smoothness/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>

示例:

<!doctype html>
<html lang="en">
  
<head>
    <link rel="stylesheet" href=
"https://code.jquery.com/ui/1.12.1/themes/smoothness/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>
    <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 enable() method</h3>
  
    <div id="div1">Drop here</div>
    <div id="div2">Drag me</div>
  
    <br>
    <button onclick="enableDroppable()">
      Enable Droppable
    </button>
  
    <script>
         $("#div2").draggable();$ ("#div1").droppable({
            drop: () => alert("Element Dropped!")
        });
  
        // Disable droppable by default
         $("#div1").droppable("disable"); // Enab;e droppable on function call function enableDroppable() {$ ("#div1").droppable("enable");
        }        
    </script>
</body>
  
</html>

输出:

jQuery UI的Droppable enable()方法