Penjelasan Sederhana tentang Dropdowns di Bootstrap
Dropdown adalah elemen UI yang digunakan untuk menampilkan daftar pilihan tersembunyi yang muncul saat tombol atau link diklik. Bootstrap menyediakan fitur dropdown bawaan yang mempermudah pembuatan menu interaktif.
Fitur Utama Dropdown Bootstrap
Dapat digunakan pada tombol atau link
Memerlukan JavaScript Bootstrap agar bisa bekerja
Dukungan posisi yang fleksibel (atas, bawah, kiri, kanan)
Dapat berisi berbagai elemen, termasuk formulir
Mendukung mode gelap (dark mode)
Bisa dikontrol dengan keyboard
1. Dropdown dengan Tombol Tunggal
Dropdown dasar dibuat dengan menambahkan .dropdown sebagai pembungkus, dan .dropdown-toggle untuk tombol yang memicu dropdown. Daftar pilihan diletakkan dalam .dropdown-menu.
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dropdown Bootstrap</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container mt-5">
<h2>Dropdown dengan Tombol Tunggal</h2>
<div class="dropdown">
<button class="btn btn-primary dropdown-toggle" type="button" id="dropdownMenuButton1" data-bs-toggle="dropdown" aria-expanded="false">
Pilih Opsi
</button>
<ul class="dropdown-menu" aria-labelledby="dropdownMenuButton1">
<li><a class="dropdown-item" href="#">Aksi 1</a></li>
<li><a class="dropdown-item" href="#">Aksi 2</a></li>
<li><a class="dropdown-item" href="#">Aksi 3</a></li>
</ul>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
berikut hasilnya:
2. Dropdown dengan Link
Dropdown juga bisa diterapkan pada link, bukan hanya tombol.
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dropdown Bootstrap</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="dropdown">
<a class="btn btn-secondary dropdown-toggle" href="#" role="button" id="dropdownMenuLink"
data-bs-toggle="dropdown" aria-expanded="false">
Dropdown Link
</a>
<ul class="dropdown-menu" aria-labelledby="dropdownMenuLink">
<li><a class="dropdown-item" href="#">Opsi 1</a></li>
<li><a class="dropdown-item" href="#">Opsi 2</a></li>
<li><a class="dropdown-item" href="#">Opsi 3</a></li>
</ul>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
berikut hasilnya:
3. Dropdown dengan Tombol Split
Tombol split memungkinkan pengguna memiliki satu tombol utama dan satu tombol dropdown terpisah.
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dropdown Bootstrap</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="btn-group">
<button type="button" class="btn btn-success">Tombol Aksi</button>
<button type="button" class="btn btn-success dropdown-toggle dropdown-toggle-split" data-bs-toggle="dropdown"
aria-expanded="false">
<span class="visually-hidden">Toggle Dropdown</span>
</button>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Opsi 1</a></li>
<li><a class="dropdown-item" href="#">Opsi 2</a></li>
<li><a class="dropdown-item" href="#">Opsi 3</a></li>
</ul>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
berikut hasilnya:
4. Dropdown dengan Ukuran yang Berbeda
Dropdown bisa digunakan dengan berbagai ukuran tombol, seperti besar dan kecil.
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dropdown Bootstrap</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<!-- Dropdown Besar -->
<div class="btn-group">
<button class="btn btn-warning btn-lg dropdown-toggle" type="button" data-bs-toggle="dropdown"
aria-expanded="false">
Dropdown Besar
</button>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Opsi 1</a></li>
<li><a class="dropdown-item" href="#">Opsi 2</a></li>
</ul>
</div>
<!-- Dropdown Kecil -->
<div class="btn-group">
<button class="btn btn-info btn-sm dropdown-toggle" type="button" data-bs-toggle="dropdown"
aria-expanded="false">
Dropdown Kecil
</button>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Opsi 1</a></li>
<li><a class="dropdown-item" href="#">Opsi 2</a></li>
</ul>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
berikut hasilnya:
5. Dropdown Mode Gelap
Untuk mengaktifkan mode gelap pada dropdown, tambahkan .dropdown-menu-dark.
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dropdown Bootstrap</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="dropdown">
<button class="btn btn-dark dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
Dropdown Gelap
</button>
<ul class="dropdown-menu dropdown-menu-dark">
<li><a class="dropdown-item" href="#">Aksi 1</a></li>
<li><a class="dropdown-item" href="#">Aksi 2</a></li>
</ul>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
berikut hasilnya:
6. Dropdown dengan Posisi Berbeda
Secara default, dropdown muncul di bawah tombol, tetapi kita bisa mengubah posisinya dengan .dropup, .dropend, atau .dropstart.
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dropdown Bootstrap</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<!-- Dropup -->
<div class="btn-group dropup">
<button type="button" class="btn btn-primary dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
Dropup
</button>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Opsi 1</a></li>
</ul>
</div>
<!-- Dropright (Dropend) -->
<div class="btn-group dropend">
<button type="button" class="btn btn-secondary dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
Dropright
</button>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Opsi 1</a></li>
</ul>
</div>
<!-- Dropleft (Dropstart) -->
<div class="btn-group dropstart">
<button type="button" class="btn btn-danger dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
Dropleft
</button>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Opsi 1</a></li>
</ul>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
berikut hasilnya:
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