Question

我一直试图将此Bootstrap 4.0 - Two NavBars that collapse into one toggle答案应用于我的问题，但经过一番努力后我才解决它。

我试图将两个导航栏的内容折叠成一个切换按钮。

这两个问题是一旦折叠到sm 我的切换按钮没有显示其内容（来自任一目标），而在sm宽度时我的下方导航栏不会保留它＃＆b;高度。我的代码：

＆＃13;

    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm"
            crossorigin="anonymous">
    
    <title>Hello, world!</title>
    </head>
    
    <body>
        <nav class="navbar navbar-expand-sm navbar-dark bg-dark sticky-top">
            <button class="navbar-toggler" data-toggle="collapse" data-target="#collapse_target1, #collapse_target2">
                <span class="navbar-toggler-icon"></span>
            </button>
            <div class="collapse navbar-collapse" id="collapse_target1">
                <ul class="navbar-nav mx-auto">
                    <li class="nav-item">
                        <a class="nav-link" href="#">Link 1</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Link 2</a>
                    </li>
                    <a class="navbar-brand">
                        <img src="https://image.freepik.com/free-vector/businessman-shouting-through-megaphone_23-2147511376.jpg" style="height: 2em">
                        <span>Home</span>
                    </a>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Link 3</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Link 4</a>
                    </li>
                </ul>
            </div>
        </nav>
        <nav class="navbar navbar-expand-sm navbar-light bg-light">
            <div class="collapse navbar-collapse" id="collapse_target2">
                <ul class="navbar-nav mx-auto">
                    <li class="nav-item">
                        <a class="nav-link" href="#">Link 5</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Link 6</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Link 7</a>
                    </li>
                </ul>
            </div>
        </nav>
        <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
            crossorigin="anonymous"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
            crossorigin="anonymous"></script>
        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
            crossorigin="anonymous"></script>
    </body>

＆＃13;

Bootstrap 4将两个导航栏折叠为一个切换按钮

0 个答案: