我正在嘗試使用 Bootstrap 創建一個帶有多個選項的下拉串列，但是當我單擊按鈕時，沒有任何內容可以選擇該選項。不知道發生了什么。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>A Basic HTML5 Template</title>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" >
<script src="https://cdn.jsdelivr.net/npm/@popperjs/[email protected]/dist/umd/popper.min.js" ></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js" integrity="sha384-Atwg2Pkwv9vp0ygtn1JAojH0nYbwNJLPhwyoVbhoPwBhjQPR5VtM2 xf0Uwh9KtT" crossorigin="anonymous"></script>
</head>
<body>
<div class="dropdown">
<button class="btn btn-secondary dropdown-toggle" type="button" id="SelectOS" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> Select option...</button>
<div class="dropdown-menu" aria-labelledby="SelectOS">
<a class="dropdown-item" href="#">Linux</a>
<a class="dropdown-item" href="#">Mac</a>
<a class="dropdown-item" href="#">Windows</a>
</div>
</div>
</body>
</html>
uj5u.com熱心網友回復：
使用data-bs-toggle屬性而不是data-toggle屬性。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>A Basic HTML5 Template</title>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/@popperjs/[email protected]/dist/umd/popper.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js" integrity="sha384-Atwg2Pkwv9vp0ygtn1JAojH0nYbwNJLPhwyoVbhoPwBhjQPR5VtM2 xf0Uwh9KtT" crossorigin="anonymous"></script>
</head>
<body>
<div class="dropdown">
<button class="btn btn-secondary dropdown-toggle" type="button" id="SelectOS" data-bs-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> Select option...</button>
<div class="dropdown-menu" aria-labelledby="SelectOS">
<a class="dropdown-item" href="#">Linux</a>
<a class="dropdown-item" href="#">Mac</a>
<a class="dropdown-item" href="#">Windows</a>
</div>
</div>
</body>
</html>轉載請註明出處，本文鏈接：https://www.uj5u.com/qukuanlian/388132.html
標籤：javascript html css 推特引导