BOOTSTRAP折叠按钮不起作用，如果使用CDN

我正在寻找这个特定的一段时间，但无法得到适当的解决方案。我正在使用最新的CDN进行引导，但仍然无法使用折叠按钮。它应该在折叠按钮被点击时切换折叠。但它不会来。另一方面，如果我下载引导程序的缩小版本，那么它正在工作。BOOTSTRAP折叠按钮不起作用，如果使用CDN

该代码是从bootstrap网站本身复制的，我之前也使用过它。所以我想有一个代码没有问题。请帮我出这一点 -

<!DOCTYPE html> 
 
<html lang="en"> 
 
    
 
<head> 
 
    <meta charset="UTF-8"> 
 
    <meta http-equiv="X-UA-Compatible" content="IE=edge"> 
 
    <meta name="viewport" content="width=device-width, initial-scale = 1"> 
 
    <title>{{ title }}</title> 
 

 

 
    <!-- Latest compiled and minified CSS --> 
 
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"> 
 

 
<!-- Optional theme --> 
 
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous"> 
 

 
<!-- Latest compiled and minified JavaScript --> 
 
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script> 
 
     
 
    </head> 
 

 
    <body> 
 
     
 
<nav class="navbar navbar-default"> 
 
    <div class="container-fluid"> 
 
    <!-- Brand and toggle get grouped for better mobile display --> 
 
    <div class="navbar-header"> 
 
     <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> 
 
     <span class="sr-only">Toggle navigation</span> 
 
     <span class="icon-bar"></span> 
 
     <span class="icon-bar"></span> 
 
     <span class="icon-bar"></span> 
 
     </button> 
 
     <a class="navbar-brand" href="#">Brand</a> 
 
    </div> 
 

 
    <!-- Collect the nav links, forms, and other content for toggling --> 
 
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> 
 
     <ul class="nav navbar-nav"> 
 
     <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li> 
 
     <li><a href="#">Link</a></li> 
 
     </ul> 
 
     <ul class="nav navbar-nav navbar-right"> 
 
     <li><a href="#">Link</a></li> 
 
     </ul> 
 
    </div><!-- /.navbar-collapse --> 
 
    </div><!-- /.container-fluid --> 
 
</nav>

来源

2017-03-05 Joy Banerjee

如果您运行您的代码段，你会看到jQuery的缺失。这可能是您的问题 – Monicka

jQuery的失踪，我进口它和一切工作正常。

<!DOCTYPE html> 
 
    <html lang="en"> 
 
     
 
    <head> 
 
     <meta charset="UTF-8"> 
 
     <meta http-equiv="X-UA-Compatible" content="IE=edge"> 
 
     <meta name="viewport" content="width=device-width, initial-scale = 1"> 
 
     <title>{{ title }}</title> 
 
    
 
    
 
     <!-- Latest compiled and minified CSS --> 
 
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"> 
 
    
 
    <!-- Optional theme --> 
 
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous"> 
 
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> 
 
    <!-- Latest compiled and minified JavaScript --> 
 
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script> 
 
      
 
     </head> 
 
    
 
     <body> 
 
      
 
    <nav class="navbar navbar-default"> 
 
     <div class="container-fluid"> 
 
     <!-- Brand and toggle get grouped for better mobile display --> 
 
     <div class="navbar-header"> 
 
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> 
 
      <span class="sr-only">Toggle navigation</span> 
 
      <span class="icon-bar"></span> 
 
      <span class="icon-bar"></span> 
 
      <span class="icon-bar"></span> 
 
      </button> 
 
      <a class="navbar-brand" href="#">Brand</a> 
 
     </div> 
 
    
 
     <!-- Collect the nav links, forms, and other content for toggling --> 
 
     <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> 
 
      <ul class="nav navbar-nav"> 
 
      <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li> 
 
      <li><a href="#">Link</a></li> 
 
      </ul> 
 
      <ul class="nav navbar-nav navbar-right"> 
 
      <li><a href="#">Link</a></li> 
 
      </ul> 
 
     </div><!-- /.navbar-collapse --> 
 
     </div><!-- /.container-fluid --> 
 
    </nav>

来源

2017-03-05 17:53:22 Monicka

如果这能帮助您解决问题，您能否请您将答案标记为已接受？谢谢 – Monicka

它的工作！非常感谢你..... –

我很高兴帮助！ – Monicka

BOOTSTRAP折叠按钮不起作用，如果使用CDN

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