jQuery UI菜单 next()方法

jQuery UI菜单 next()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菜单部件创建一个菜单列表,用于鼠标和键盘互动。

jQuery UI Menu next()方法是用来将活动状态移动到下一个菜单项。

语法:

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

参数:该方法接受触发焦点移动的事件类型的单个值item

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 next()方法的用途。

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>
        jQuery UI Menu next() 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 next() 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="Next Menu Widget" 
        style="padding: 5px 15px;">
    <script>
        (document).ready(function () {
            ("#menu").menu();
            ("#btn").on('click', function() {
                ("#menu").menu("next");
            });
        });
    </script>
</body>
</html>

输出:

jQuery UI菜单 next()方法

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