jQuery UI菜单disable()方法

jQuery UI由GUI部件、视觉效果和使用HTML、CSS和jQuery实现的主题组成。 jQuery UI非常适合为网页建立UI界面。jQuery UI菜单部件创建了一个菜单列表，用于鼠标和键盘的互动。

jQuery UI Menu disable()方法是用来禁用菜单项小部件的。

语法:

$(".selector").menu( "disable" );

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=”//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>

例子：这个例子描述了jQuery UI Menu disable()方法的用途。

<!doctype html>
<html lang="en">
  
<head>
    <meta charset="utf-8">
    <title>  jQuery UI Menu disable() Method </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>
        .ui-menu {
            width: 300px;
        }
    </style>
</head>
  
<body>
    <h1 style="color:green;">
        GeeksforGeeks
    </h1>
  
    <h3>jQuery UI Menu disable() Method</h3>
  
    <ul id="menu">
        <li>
            <div>Programming Languages</div>
            <ul>
                <li>
                    <div>C Programming</div>
                </li>
                <li>
                    <div>C++ Programming</div>
                </li>
                <li>
                    <div>Java Programming</div>
                </li>
            </ul>
        </li>
        <li>
            <div>Web Technology</div>
            <ul>
                <li>
                    <div>HTML</div>
                </li>
                <li>
                    <div>CSS</div>
                </li>
                <li>
                    <div>JavaScript</div>
                </li>
            </ul>
        </li>
        <li>
            <div>Computer Networks</div>
        </li>
        <li>
            <div>Operating System</div>
        </li>
    </ul>
    <br><br>
  
    <input type="button" id="btn" 
        value="Disable Menu" 
        style="padding: 5px 15px;">
  
    <script>
         $(document).ready(function () {$ ("#menu").menu();
  
             $("#btn").on('click', function() {$ ("#menu").menu("disable");
            });
        });
    </script>
</body>
</html>

输出:

jQuery UI菜单disable()方法