在 html 中的警报（或对话框）上显示下拉列表
Kis*_*N R 3 html javascript css jquery bootstrap-4
我的项目要求是在单击按钮时显示警报或对话框，在该警报上，显示带有一些值的下拉列表，选择下拉列表值并使用 HTML 将其保存在数组列表中。我试过这个， 但它不起作用。警报对话框应如下图所示。
<html lang="en">
<head>
<title></title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<link rel="stylesheet" href="/resources/demos/style.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</head>
<body>
<a data-target="#myModal" role="button" class="btn" data-toggle="modal">Launch demo modal</a>
<div class="modal fade hide" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h3 id="myModalLabel">Modal header</h3>
</div>
<div class="modal-body">
<select>
<option>test</option>
<option>test</option>
<option>test</option>
<option>test</option>
<option>test</option>
</select>
</div>
<div class="modal-footer">
<button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
<button class="btn btn-primary">Save changes</button>
</div>
</div>
</body>
</html>
试试这个代码...
<a data-target="#myModal" role="button" class="btn" data-toggle="modal">Launch demo modal</a>
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h3 id="myModalLabel">Modal header</h3>
</div>
<div class="modal-body">
<select>
<option>test</option>
<option>test</option>
<option>test</option>
<option>test</option>
<option>test</option>
</select>
</div>
<div class="modal-footer">
<button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
<button class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
https://codepen.io/chandrashekhar/pen/yXNBmQ?editors=1100
这是一个链接供参考
您已将隐藏类添加到模态，并且还漏掉了一些代码，试试这个吧。。