【问题标题】:bootstrap navbar collapse won't work引导导航栏崩溃不起作用
【发布时间】:2016-06-25 18:13:47
【问题描述】:

我正在 codepen.io 上创建一个投资组合网站,但我的导航栏折叠按钮将无法工作,因为窗口大小减小了。 Codepen:https://codepen.io/RayFitzgerald/full/vKgYoj/ 为写得不好的代码道歉。我是新人。

HTML

    <body data-spy="scroll" data-target=".navbar">
<nav class="navbar navbar-default navbar-fixed-top">
<div class="container">

  <a href="#" class="navbar-brand">Ray Fitzgerald</a>

  <button class="navbar-toggle" data-toggle="collapse" data-target=".navHeaderCollapse">button
  </button>

  <div class="collapse navbar-collapse navHeaderCollapse">
    <ul class="nav navbar-nav">
      <li><a href="#About">About</a></li>
      <li><a href="#Portfolio">Portfollio</a></li>
      <li><a href="#Social">Social</a></li>
    </ul>
  </div>

</div>
 </nav>
<!-- Main Body & Text Items -->
<div class="container">
<div class="jumbotron">
  <div class="intro-text" id="About">
  My name is Ray Fitzgerald and I am a young Programmer and Web Developer
  </div>
  <div class="intro-text" id="Portfolio">
    Portfolio
  </div>
  <div class="intro-text" id="Social">
      Social
  </div>

 </div>
 </div> 

</body>

CSS

    body{
  padding-top: 50px;
}
.intro-text{
  font-size: 30px;

}
#About{
  height: 500px;
}
#Portfolio{
  height: 500px;
}
#Social{
  height: 500px;
}

【问题讨论】:

    标签: html css twitter-bootstrap navbar


    【解决方案1】:

    在您提供的链接中找不到 bootstrap.min.js 和 JQuery 库。

    添加 JQuery 库,然后添加 bootstrap.min.js 即可。

    【讨论】:

      【解决方案2】:

      Bootstrap 导航栏切换组件仅在代码中包含 Bootstrap Javascript 时才有效。包含引导 javascript 文件,它就像魅力一样工作。

      提醒:Bootstrap JS 仅在您首先包含 jQuery 时才有效。

      【讨论】:

        【解决方案3】:
        Try this code as it is in application this code works me at  my end
        
        <!DOCTYPE html>
        <html lang="en">
        <head>
          <title></title>
          <meta charset="utf-8">
          <meta name="viewport" content="width=device-width, initial-scale=1">
          <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
          <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
          <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
        </head>
        <body>
        
        <nav class="navbar navbar-inverse">
          <div class="container-fluid">
            <div class="navbar-header">
              <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
              </button>
              <a class="navbar-brand" href="#">Sitename</a>
            </div>
            <div class="collapse navbar-collapse" id="myNavbar">
              <ul class="nav navbar-nav">
                <li class="active"><a href="#">Home</a></li>
                <li class="dropdown">
                  <a class="dropdown-toggle" data-toggle="dropdown" href="#">Page 1<span class="caret"></span></a>
                  <ul class="dropdown-menu">
                    <li><a href="#">Page sub</a></li>
                    <li><a href="#">Page sub</a></li>
                    <li><a href="#">Page sub</a></li>
                  </ul>
                </li>
                <li><a href="#">Page 2</a></li>
                <li><a href="#">Page 3</a></li>
              </ul>
              <ul class="nav navbar-nav navbar-right">
                <li><a href="#"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
                <li><a href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
              </ul>
            </div>
          </div>
        </nav>
        
        <div class="container">
          <h3>Collapsible Navbar</h3>
        </div>
        
        </body>
        </html>
        

        【讨论】:

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