<head>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
</head>
<body>
<nav class="navbar navbar-expand-md navbar-light bg-light">
<div class="container-fluid">
<a class="navbar-brand" href="https://www.discoverhongkong.com/tc/index.html">快樂香港旅遊</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar1">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbar1">
<ul class="navbar-nav me-auto">
<li class="nav-item active"><a class="nav-link" href="https://www.cathaypacific.com/cx/zh_HK.html">機票</a></li>
<li class="nav-item"><a class="nav-link" href="https://zh.hotels.com/">訂房</a></li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="https://www.discoverhongkong.com/tc/plan/guided-tour.html?" role="button" data-bs-toggle="dropdown" aria-expanded="false">團體</a>
<ul class="dropdown-menu" aria-labelledby="navbarDropdown">
<li class="dropdown-item" href="https://www.discoverhongkong.com/tc/explore/attractions.html">國內旅遊</li>
<li class="dropdown-item" href="https://www.discoverhongkong.com/tc/greater-bay-area.html">國外旅遊</li>
</ul>
</li>
</ul>
<form class="d-flex">
<input class="form-control me-2" type="search" placeholder="輸入景點">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
</div>
</nav>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg OMhuP IlRH9sENBO0LRn5q 8nbTov4 1p" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/@popperjs/[email protected]/dist/umd/popper.min.js" integrity="sha384-7 zCNj/IqJ95wo16oMtfsKbZ9ccEh31eOz1HGyDuCQ6wgnyJNSYdrPa03rtR1zdB" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js" integrity="sha384-QJHtvGhmr9XOIpI6YVutG 2QOK9T ZnN4kzFN1RtK3zEFEIsxhlmWl5/YESvpZ13" crossorigin="anonymous"></script>
</body>
即使我在我的 html 中添加了 Bootstrap 檔案中的相應鏈接和腳本，導航欄下拉選單在我單擊后也不會顯示下拉專案。為了使下拉選單正常運行，我可以問我錯過的任何事情嗎？
uj5u.com熱心網友回復：
洗掉一個腳本你有兩次呼叫bootstrapjs
洗掉此 https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js
也不需要 proper.js
參考這個 - https://getbootstrap.com/docs/5.1/getting-started/introduction/#js
<head>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
</head>
<body>
<nav class="navbar navbar-expand-md navbar-light bg-light">
<div class="container-fluid">
<a class="navbar-brand" href="https://www.discoverhongkong.com/tc/index.html">快樂香港旅遊</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar1">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbar1">
<ul class="navbar-nav me-auto">
<li class="nav-item active"><a class="nav-link" href="https://www.cathaypacific.com/cx/zh_HK.html">機票</a></li>
<li class="nav-item"><a class="nav-link" href="https://zh.hotels.com/">訂房</a></li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="https://www.discoverhongkong.com/tc/plan/guided-tour.html?" role="button" data-bs-toggle="dropdown" aria-expanded="false">團體</a>
<ul class="dropdown-menu" aria-labelledby="navbarDropdown">
<li class="dropdown-item" href="https://www.discoverhongkong.com/tc/explore/attractions.html">國內旅遊</li>
<li class="dropdown-item" href="https://www.discoverhongkong.com/tc/greater-bay-area.html">國外旅遊</li>
</ul>
</li>
</ul>
<form class="d-flex">
<input class="form-control me-2" type="search" placeholder="輸入景點">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
</div>
</nav>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg OMhuP IlRH9sENBO0LRn5q 8nbTov4 1p" crossorigin="anonymous"></script>
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