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自學成熟的新手在這裏使用Bootstrap 3 latest。我有一個令我困惑的問題。預先感謝您的時間。引導3摺疊導航欄在展開時不保持可見，但在懸停時可見
正如標題所示，導航欄在移動/更小的屏幕尺寸上完美摺疊，按鈕看起來像預期的一樣，我可以擴展它。但點擊後，下拉菜單突然出現，然後消失。當我將鼠標懸停在閃動的區域上時，navmenu鏈接（及其下拉列表）可見且可點擊。該問題在多個瀏覽器中仍然存在。
我已經嘗試了一些類似的主題上SO建議的導航欄摺疊解決方案，但無濟於事（例如更新jQuery/bootstrap .js文件，雙重檢查data-target屬性，雙重檢查鏈接的java腳本等）。
不知道我在哪裏搞錯了。我很欣賞任何反饋，因爲我正在努力學習。提前致謝！
/*NavBar Gray on Blue*/
.navbar {
margin-bottom: 0;
}
.navbar-inverse {
background: #004a99;
border: 0;
}
.dropdown-menu {
background: #004a99;
border-radius: 0;
border: 0;
}
.navbar-inverse .navbar-brand {
color: #f2f2f2;
}
.navbar-inverse .navbar-brand:hover {
color: #004a99;
}
.navbar-inverse .navbar-nav li a {
color: #f2f2f2;
font-size: 16px;
}
.navbar-inverse .navbar-nav li a:hover {
background: #004a99;
}
.navbar-inverse .navbar-nav .dropdown-menu li a:hover {
background: #f2f2f2;
color: #004a99;
}
.navbar .nav>li.dropdown.open.active>a:hover,
.navbar .nav>li.dropdown.open>a {
color: #004a99;
background-color: #f2f2f2;
border-color: #fff;
}
.dropdown-menu li a {
padding: 10px;
}
.navbar-brand {
padding: 0px;
}
.navbar-brand>img {
height: 100%;
padding: 0px;
width: auto;
}
.navbar-nav.navbar-center {
position: absolute;
left: 50%;
transform: translatex(-50%);
}<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>title</title>
<!--Java and Links-->
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" 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>
<link href="https://fonts.googleapis.com/css?family=Merriweather|Raleway:400,500,600,800" rel="stylesheet" type="text/css">
<link rel="shortcut icon" href="/img/favicon.ico" />
<body>
<!--NavBar-->
<nav class="navbar navbar-inverse navbar-static-top sans-serif">
<div class="container-fluid">
<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>
<!--NavBar Logo<a class="navbar-brand" href="#"><img src="/img/navlogo.png" alt="Logo"></a>//-->
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-center">
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">text.<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">text</a></li>
<!--<li><a href="#">text</a></li>//-->
</ul>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">text<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">text</a></li>
<li><a href="#">text</a></li>
</ul>
</li>
<li><a href="#">text</a></li>
</ul>
</div>
</div>
</nav>
</body>
男人，這個社區是合法的！謝謝，湯姆，這工作得很好！ Mawcel的回答改善了它，但並不是完整的解決方案。 – amsid
問題：爲什麼最小寬度是768px，是最小的設備寬度？ – amsid
是的，就是當Bootstrap導航欄垂直堆疊時。 –