Bootstrap dropdown not working

2019-01-21 18:43发布

站内问答 / 后端开发
1208 15 4

I can't make bootstrap dropdown to work. Here is my html for nav:

<ul class='nav'>
  <li class='active'>Home</li>
  <li class='dropdown'>
    <a class="dropdown-toggle" data-toggle="dropdown" href='#'>Personal asset loans</a>
    <ul class="dropdown-menu" role="menu">
      <li><a href="#">asds</a></li>
      <li class="divider"></li>
    </ul>
  </li>
  <li>Payday loans</li>
  <li>About</li>
  <li>Contact</li>
</ul>

And here are the scripts:

<script type="text/javascript" src="js/bootstrap/bootstrap-dropdown.js"></script>
<script>
     $(document).ready(function(){
        $('.dropdown-toggle').dropdown()
    });
</script>

What am I doing wrong? Thanks for your answers!

15条回答
冷血范
2楼-- · 2019-01-21 19:09

Working demo: http://codebins.com/bin/4ldqp73

try this 

<ul class='nav'>
  <li class='active'>Home</li>
  <li>
    <div class="dropdown">
      <a class="dropdown-toggle" data-toggle="dropdown" href="#">Personal asset loans</a>
      <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel">            
        <li><a href="#">asds</a></li>
        <li class="divider"></li>
      </ul>
    </div>   
    </li>
    <li>Payday loans</li>
  <li>About</li>
  <li>Contact</li>
</ul>
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冷血范
3楼-- · 2019-01-21 19:09

I figured it out and the simplest way to do this ist just copy and past the CDN of bootstrap link that can be found in https://www.bootstrapcdn.com/ and the Jquery CDN Scripts that can be found here https://code.jquery.com/ and after you copy the links, the bootstrap links paste on the head of HTML and the Jquery Script paste in body of HTML like the example below: 

    <!DOCTYPE html>
    <html>
      <head>

        <title>Purrfect Match Landing Page</title>
        <!-- Latest compiled and minified CSS -->
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
        <!--<link rel="stylesheet" href="griddemo.css">

        <!-- Optional theme -->
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css">
        <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">

      </head>

      <body>

        <!-- Latest compiled and minified JavaScript -->
        <script src="https://code.jquery.com/jquery-3.1.1.js"></script>
        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js">      </script>    
      </body>
    </html>

For me works perfect hope it works also for you :)

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傲
4楼-- · 2019-01-21 19:10

Have you included jquery.js ?

Also, compare this line of code with yours:

<a class="dropdown-toggle" data-toggle="dropdown" href="#">Personal asset loans<b class="caret"></b></a>

See this version that works ok.

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>Bootstrap dropdown</title>
    <link href="css/bootstrap.css" rel="stylesheet" type="text/css" />

</head>
<body>
    <div class="navbar">
        <div class="navbar-inner">
            <div class="container">
                <ul class="nav">
                    <a class="brand" href="#">w3resource</a>
                    <li class="active"><a href="#">Home</a></li>
                    <li><a href="#">Blog</a></li>
                    <li><a href="#">About</a></li>
                    <li><a href="#">Contact</a></li>
                    <li class="dropdown" id="accountmenu">
                        <a class="dropdown-toggle" data-toggle="dropdown" href="#">Tutorials<b class="caret"></b></a>
                        <ul class="dropdown-menu">
                            <li><a href="#">PHP</a></li>
                            <li><a href="#">MySQL</a></li>
                            <li class="divider"></li>
                            <li><a href="#">JavaScript</a></li>
                            <li><a href="#">HTML5</a></li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </div>
    <div class="container-fluid">
     <h1>Dropdown Example</h1>
    </div>
    <script type="text/javascript" src="js/jquery-latest.js"></script>
    <script type="text/javascript" src="js/bootstrap.js"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $('.dropdown-toggle').dropdown();
        });
   </script>
</body>
</html>
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