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Bootstrap 4 导航栏切换按钮无法正常工作

[英]Bootstrap 4 navbar toggle button not working correctly

 原文  2018-07-01 10:57:09  2   2    javascript/ jquery/ html/ css/ bootstrap-4

问题描述

I have html code working with bootstrap 4. In my case when navbar toggle button clicked the navbar open and hidden automatically.我有使用引导程序 4 的 html 代码。在我的情况下，当导航栏切换按钮单击导航栏时，导航栏会自动打开和隐藏。 How to manually open and hidden navbar when clicked?单击时如何手动打开和隐藏导航栏？ Thanks anyone.谢谢任何人。

<title>SuperEvent</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="css/style.css">
<link rel="stylesheet" type="text/css" href="css/bootstrap.css">
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script type="text/javascript" src="js/script.js"></script>


<div class="header">
  <div class="container">   
    <div class="row">
      <div class="col-md-12 col-sm-12 col-xs-12">
        <img src="img/iklan.JPG" class="iklan float-right">
      </div>
    </div>
    <div class="cleafix"></div>
    <nav class="navbar navbar-expand-lg " id="nav" >
    <a class="navbar-brand" href="#">Super Event</a>
    <button class="navbar-toggler custom-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
      </button>
      <div class="collapse navbar-collapse" id="navbarSupportedContent">
        <ul class="navbar-nav mr-auto">
          <li class="nav-item active">
            <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">About</a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">Services</a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">Portfolio</a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">Contact Us</a>
          </li>
        </ul>
      </div>
    </nav>

2 个解决方案

解决方案1
 7 已采纳  2018-07-01 11:15:14

This can help:这可以帮助： 

 <!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <nav class="navbar navbar-expand-md bg-dark navbar-dark"> <a class="navbar-brand" href="#">Navbar</a> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="collapsibleNavbar"> <ul class="navbar-nav"> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> </ul> </div> </nav> <br> <div class="container"> <h3>Collapsible Navbar</h3> <p>In this example, the navigation bar is hidden on small screens and replaced by a button in the top right corner (try to re-size this window).</p> <p>Only when the button is clicked, the navigation bar will be displayed.</p> <p>Tip: You can also remove the .navbar-expand-md class to ALWAYS hide navbar links and display the toggler button.</p> </div> </body> </html>

For more details follow by link - https://www.w3schools.com/bootstrap4/bootstrap_navbar.asp有关更多详细信息，请点击链接 - https://www.w3schools.com/bootstrap4/bootstrap_navbar.asp

解决方案2
 0  2022-06-06 14:05:07

If you want to use Bootstrap 5, include just this in your HTML file: <script src="js/bootstrap.js"></script>如果您想使用 Bootstrap 5，请在您的 HTML 文件中包含以下内容： <script src="js/bootstrap.js"></script>

Implementation example:实现示例：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Navbar</title>
    <link rel="stylesheet" href="css/bootstrap.min.css">
    <link rel="stylesheet" href="css/styles.css">
    
</head>
<body>
    <nav class="navbar navbar-expand-sm navbar-dark">
        <div class="container-fluid">
            <!--LOGO IMAGE-->
            <a class="navbar-brand" href="#">
                <img src="images/img_avatar1.png" alt="Avatar Logo" style="width:50px;" class=" rounded-pill"> 
            </a>
            
            <a class="navbar-brand" href="#"><span style="font-size: 30px;">Alex Luca</span></a>
            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#collapsibleNavbar" aria-expanded="false" aria-controls="collapsibleNavbar">
                <span class="navbar-toggler-icon"></span>
            </button>
            <!--Using justify-content-end, you can align the links at the right-->
            <div class="collapse navbar-collapse justify-content-end text-center" id="collapsibleNavbar">
                <ul class="navbar-nav">
                    <li class="nav-item px-3">
                        <a class="nav-link" href="#">Link</a>
                    </li>
                    <li class="nav-item px-3">
                        <a class="nav-link" href="#">Link</a>
                    </li>
                    <li class="nav-item px-3">
                        <a class="nav-link" href="#">Link</a>
                    </li>  
                    <li class="nav-item dropdown px-3">
                        <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown">Dropdown</a>
                        <ul class="dropdown-menu">
                            <li><a class="dropdown-item" href="#">Link</a></li>
                            <li><a class="dropdown-item" href="#">Another link</a></li>
                            <li><a class="dropdown-item" href="#">A third link</a></li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </nav>
      

    <div class="container-fluid mt-3">
        <h3>Navbar With Dropdown</h3>
        <p>This example adds a dropdown menu in the navbar.</p>
    </div>
    <!--For the dropdown menu and collapsed meniu-->
    <script src="js/bootstrap.js"></script>
    <script src="js/script.js"></script>
 
</body>
</html>

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