Bootstrap 4 .flex-nowrap类
避免使用.flex-nowrap类将flex项包装在Bootstrap4中。
在下面，您可以看到弹性项目在“八个”弹性项目之后没有包装-
flex是在div类中设置的，就像我们在<div>-中添加任何其他类一样：
<div class="d-flex flex-nowrap bg-primary">
以下是实现flex-nowrap类以避免包装flex项目的示例-
示例
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h3>FLEX WRAP AND NOWRAP</h3>
<p>Flex items will wrap</p>
<div class="d-flex flex-wrap bg-primary">
<div class="p-2 border">One</div>
<div class="p-2 border">Two</div>
<div class="p-2 border">Three</div>
<div class="p-2 border">Four</div>
<div class="p-2 border">Five</div>
<div class="p-2 border">Six</div>
<div class="p-2 border">Seven</div>
<div class="p-2 border">Eight</div>
<div class="p-2 border">Nine</div>
</div><br>
<p>Flex items won't wrap</p>
<div class="d-flex flex-nowrap bg-primary">
<div class="p-2 border">One</div>
<div class="p-2 border">Two</div>
<div class="p-2 border">Three</div>
<div class="p-2 border">Four</div>
<div class="p-2 border">Five</div>
<div class="p-2 border">Six</div>
<div class="p-2 border">Seven</div>
<div class="p-2 border">Eight</div>
<div class="p-2 border">Nine</div>
</div><br>
</div>
</body>
</html>