「Bootstrap4入門」.dropdown-toggle-splitでスプリットボタンを表示するサンプル
書式
“btn btn-primary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown"
.dropdown-toggle-split：スプリットボタン
使用例
<head>
<title>Bootstrapのサンプル</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
<script src="/jquery/3.2.1/jquery.min.js"></script>
<script src="/popper.js/1.15.0/umd/popper.min.js"></script>
<script src="/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>スプリットボタンにドロップダウンメニューを設定</h2>
<div class="btn-group">
<button type="button" class="btn btn-primary">Sony</button>
<button type="button" class="btn btn-primary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown">
<span class="caret"></span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Tablet</a>
<a class="dropdown-item" href="#">Smartphone</a>
</div>
</div>
</div>
<head>
<title>Bootstrapのサンプル</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
<script src="/jquery/3.2.1/jquery.min.js"></script>
<script src="/popper.js/1.15.0/umd/popper.min.js"></script>
<script src="/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>スプリットボタンにドロップダウンメニューを設定</h2>
<div class="btn-group">
<button type="button" class="btn btn-primary">Sony</button>
<button type="button" class="btn btn-primary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown">
<span class="caret"></span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Tablet</a>
<a class="dropdown-item" href="#">Smartphone</a>
</div>
</div>
</div>
<head>
<title>Bootstrapのサンプル</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
<script src="/jquery/3.2.1/jquery.min.js"></script>
<script src="/popper.js/1.15.0/umd/popper.min.js"></script>
<script src="/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>スプリットボタンにドロップダウンメニューを設定</h2>
<div class="btn-group">
<button type="button" class="btn btn-primary">Sony</button>
<button type="button" class="btn btn-primary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown">
<span class="caret"></span>
</button>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Tablet</a>
<a class="dropdown-item" href="#">Smartphone</a>
</div>
</div>
</div>