To expand dropdown menu upwards instead of downwards, change the <div> element with class="dropdown" to "dropup" - HTML CSS Bootstrap

HTML CSS examples for Bootstrap:Dropdown

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Description

To expand dropdown menu upwards instead of downwards, change the <div> element with class="dropdown" to "dropup"

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap Example</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.6/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js"></script>
</head><!--   w  ww .  j a  v a2 s .  c om-->
<body>
<br>

<div class="container">
  <h2>Dropdowns</h2>
  <p>The .dropup class makes the dropdown menu expand upwards instead of downwards:</p>
  <div class="dropup">
    <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown">
      Dropdown button
    </button>
    <div class="dropdown-menu">
      <a class="dropdown-item" href="#">Link 1</a>
      <a class="dropdown-item" href="#">Link 2</a>
    </div>
  </div>
</div>

</body>
</html>

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