在Bootstrap中创建多个选择列表
要在Bootstrap中创建多个选择列表，请使用多个，
<select multiple class = "form-control">
您可以尝试运行以下代码以实现多个选择-
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<meta name = "viewport" content = "width = device-width, initial-scale = 1">
<link rel = "stylesheet" href = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css">
<script src = "https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
<script src = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
</head>
<body>
<form role = "form">
<div class = "form-group">
<label for = "name">Country</label>
<select multiple class = "form-control">
<option>India</option>
<option>Australia</option>
<option>US</option>
</select>
</div>
</form>
</body>
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