Bootstrap 4 .flex-*-row-reverse 類實現


若要在不同的螢幕尺寸下將 flex 項顯示為反向、水平和右對齊,請使用 flex-*-row-reverse。

不同的螢幕尺寸針對小、中、大和小於大螢幕。我們來看看如何設定小螢幕的反向 flex 項——

<div class="d-flex flex-sm-row-reverse bg-primary mb-3">
  <div class="p-2 bg-primary">ONE</div>
  <div class="p-2 bg-secondary">TWO</div>
  <div class="p-2 bg-danger">THREE</div>
</div>

你可以嘗試執行以下程式碼來實現 flex-*-row-reverse 類——

示例

即時演示

<!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://ajax.googleapis.com/ajax/libs/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">
    <h2>Flex Row</h2>
    <div class="d-flex flex-row bg-primary mb-3">
      <div class="p-2 bg-danger">ONE</div>
      <div class="p-2 bg-primary">TWO</div>
      <div class="p-2 bg-warning">THREE</div>
    </div>
    <h2>Flex Row Reverse</h2>
    <div class="d-flex flex-row-reverse bg-primary mb-3">
      <div class="p-2 bg-primary">ONE</div>
      <div class="p-2 bg-secondary">TWO</div>
      <div class="p-2 bg-danger">THREE</div>
    </div>
    <h2>Flex Row Reverse (Small Width)</h2>
    <div class="d-flex flex-sm-row-reverse bg-primary mb-3">
      <div class="p-2 bg-primary">ONE</div>
      <div class="p-2 bg-secondary">TWO</div>
      <div class="p-2 bg-danger">THREE</div>
    </div>
    <h2>Flex Row Reverse (Medium Width)</h2>
    <div class="d-flex flex-md-row-reverse bg-primary mb-3">
      <div class="p-2 bg-primary">ONE</div>
      <div class="p-2 bg-secondary">TWO</div>
      <div class="p-2 bg-danger">THREE</div>
    </div>
    <h2>Flex Row Reverse (Large Width)</h2>
    <div class="d-flex flex-lg-row-reverse bg-primary mb-3">
      <div class="p-2 bg-primary">ONE</div>
      <div class="p-2 bg-secondary">TWO</div>
      <div class="p-2 bg-danger">THREE</div>
    </div>
  </div>

 </body>
</html>

更新時間:2020 年 6 月 18 日

329 次瀏覽

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