Javascript js下拉菜单不工作

Javascript js下拉菜单不工作,javascript,jquery,html,css,Javascript,Jquery,Html,Css,我不知道这为什么不起作用?我正在尝试创建一个下拉菜单,当我在页面中悬停时,它可以工作,但如果我在链接中悬停,它短期内不工作,这个下拉列表会起相反的作用 我需要修复此下拉菜单或更好的方法 Html <body> <div class="wrap"> <nav class="navbar navbar-default navbar-fixed-top navbarcolor "> <div class="

我不知道这为什么不起作用?我正在尝试创建一个下拉菜单,当我在页面中悬停时,它可以工作,但如果我在链接中悬停,它短期内不工作,这个下拉列表会起相反的作用 我需要修复此下拉菜单或更好的方法

Html

<body>
    <div class="wrap">
        <nav class="navbar navbar-default navbar-fixed-top navbarcolor  ">
            <div class="container ">
                <div class="navbar-header active">
                    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
                        <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 Brand-Color active " href="#">MediQ.ch</a>
                </div>
                <div id="navbar" class="navbar-collapse collapse">

                    <ul class="nav navbar-nav navbar-right">
                        <li><a class="navbar-R-C  " href="#">AdminStraion</a>
                        </li>

                        <li class="dropdown  sub-menu-parent">
                            <a id="drop" href="#" class="navbar-R-C nav-link dropdown-toggle " data-toggle="dropdown" aria-expanded="false">BookMarker
                  <span class="caret"></span></a>

                            <ul id="content" class="dropdown-menu " role="menu">
                                <li><a class="content " href="#">ACETILXSUBSTANCE2</a>
                                </li>
                                <li><a class="content " href="#">HIDROCORTIZOLXBENZTIL</a>
                                </li>
                                <li><a class="content " href="#">SUBSTANCE3XSUBSTANCE4</a>
                                </li>

                            </ul>
                        </li>

                        <li><a class="navbar-R-C " href="#">Contact</a>
                        </li>
                    </ul>

                </div>
                <!--/.nav-collapse -->
            </div>
        </nav>
    </div>



</body>
JS

$(document).ready(function() {
    $('.wrap nav ul li').hover(function() {
        // Toggles slide but stops if not hover anymore
        $(this).find('ul').stop().slideToggle();
        // Toggles on and of the active class (triangle)
        $(this).find('div').toggleClass('active');
    }
    );
}
);

用这个。它包含您的代码,但是一些css被引导css覆盖,所以您必须覆盖引导css,使其看起来像您想要的。新的东西是bootstrap.css、bootstrap.js和jquery.js不要忘记在这里包含这些文件,它直接从web加载,您可以下载并链接这些文件以供脱机使用

<!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/3.3.7/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
 </head>
 <body>

    <nav class="navbar navbar-default navbar-fixed-top navbarcolor  ">
        <div class="container ">
            <div class="navbar-header active">
                <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
                    <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 Brand-Color active " href="#">MediQ.ch</a>
            </div>
            <div id="navbar" class="navbar-collapse collapse">

                <ul class="nav navbar-nav navbar-right">
                    <li><a class="navbar-R-C  " href="#">AdminStraion</a>
                    </li>

                    <li class="dropdown  sub-menu-parent">
                        <a id="drop" href="#" class="navbar-R-C nav-link dropdown-toggle " data-toggle="dropdown" aria-expanded="false">BookMarker
              <span class="caret"></span></a>

                        <ul id="content" class="dropdown-menu " role="menu">
                            <li><a class="content " href="#">ACETILXSUBSTANCE2</a>
                            </li>
                            <li><a class="content " href="#">HIDROCORTIZOLXBENZTIL</a>
                            </li>
                            <li><a class="content " href="#">SUBSTANCE3XSUBSTANCE4</a>
                            </li>

                        </ul>
                    </li>

                    <li><a class="navbar-R-C " href="#">Contact</a>
                    </li>
                </ul>

            </div>
            <!--/.nav-collapse -->
        </div>
    </nav>  
    <div class="container">
      <h3>Navbar With Dropdown</h3>
      <p>This example adds a dropdown menu for the "Page 1" button in the navigation bar.</p>
    </div>

  </body>
</html>

引导示例
切换导航
带下拉菜单的导航栏 本例为导航栏中的“第1页”按钮添加了一个下拉菜单


使用此选项。它包含您的代码,但是一些css被引导css覆盖,所以您必须覆盖引导css,使其看起来像您想要的。新的东西是bootstrap.css、bootstrap.js和jquery.js不要忘记在这里包含这些文件,它直接从web加载,您可以下载并链接这些文件以供脱机使用

<!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/3.3.7/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
 </head>
 <body>

    <nav class="navbar navbar-default navbar-fixed-top navbarcolor  ">
        <div class="container ">
            <div class="navbar-header active">
                <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
                    <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 Brand-Color active " href="#">MediQ.ch</a>
            </div>
            <div id="navbar" class="navbar-collapse collapse">

                <ul class="nav navbar-nav navbar-right">
                    <li><a class="navbar-R-C  " href="#">AdminStraion</a>
                    </li>

                    <li class="dropdown  sub-menu-parent">
                        <a id="drop" href="#" class="navbar-R-C nav-link dropdown-toggle " data-toggle="dropdown" aria-expanded="false">BookMarker
              <span class="caret"></span></a>

                        <ul id="content" class="dropdown-menu " role="menu">
                            <li><a class="content " href="#">ACETILXSUBSTANCE2</a>
                            </li>
                            <li><a class="content " href="#">HIDROCORTIZOLXBENZTIL</a>
                            </li>
                            <li><a class="content " href="#">SUBSTANCE3XSUBSTANCE4</a>
                            </li>

                        </ul>
                    </li>

                    <li><a class="navbar-R-C " href="#">Contact</a>
                    </li>
                </ul>

            </div>
            <!--/.nav-collapse -->
        </div>
    </nav>  
    <div class="container">
      <h3>Navbar With Dropdown</h3>
      <p>This example adds a dropdown menu for the "Page 1" button in the navigation bar.</p>
    </div>

  </body>
</html>

引导示例
切换导航
带下拉菜单的导航栏 本例为导航栏中的“第1页”按钮添加了一个下拉菜单


你能给我举个bootstrab Drowdown的例子吗?但有悬停效果的话,请你解释一下,悬停时你到底想做什么,好让我帮你,你到底想悬停什么?我需要这样的东西,这段代码正在运行,可能是jquery版本的问题,请尝试不同的jquery版本OK谢谢,但你能吗给我的引导示例,看起来像你给我的例子引导下垂,但与悬停效果PLZ你到底想做什么悬停时,请你解释,以便我可以帮助,你到底想悬停我需要这样的东西,这段代码正在工作可能是jquery版本的问题,请尝试不同的jqueryversionok谢谢,但是您能给出我的引导示例吗