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I badge vengono solitamente utilizzati per indicare informazioni preziose sul web, come titoli importanti, messaggi di avviso, contatori di notifiche, ecc. I badge (Badges) vengono principalmente utilizzati per evidenziare nuovi o non letti elementi. Per utilizzare un badge, è sufficiente aggiungere la classe .badge e la classe di colore specifica (ad esempio .badge-secondary) a <span> Posizionati sugli elementi. I badge possono variare di dimensione in base alle dimensioni dell'elemento genitore:
<!DOCTYPE html> <html> <head> <title>Bootstrap esempio</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Badge</h2> <h1>Intestazione Bootstrap <span class="badge badge-secondary">Nuovo</span></h1> <h2>Intestazione Bootstrap <span class="badge badge-secondary">Nuovo</span></h2> <h3>Intestazione Bootstrap <span class="badge badge-secondary">Nuovo</span></h3> <h4>Intestazione Bootstrap <span class="badge badge-secondary">Nuovo</span></h4> <h5>Intestazione Bootstrap <span class="badge badge-secondary">Nuovo</span></h5> <h6>Intestazione Bootstrap <span class="badge badge-secondary">Nuovo</span></h6> </div> </body> </html>测试看看 ‹/›
Di seguito è elencato tutti i tipi di badge di colore:
<!DOCTYPE html> <html> <head> <title>Bootstrap esempio</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Tutti i tipi di badge di colore</h2> <span class="badge badge-primary">Principale</span> <span class="badge badge-secondary">Secondario</span> <span class="badge badge-success">Riuscito</span> <span class="badge badge-danger">Pericolo</span> <span class="badge badge-warning">Avviso</span> <span class="badge badge-info">Informazione</span> <span class="badge badge-light">Chiaro</span> <span class="badge badge-dark">Scuro</span> </div> </body> </html>测试看看 ‹/›
Utilizzare la classe .badge-pill per impostare il distintivo a pillole:
<!DOCTYPE html> <html> <head> <title>Bootstrap esempio</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Distintivo a pillole</h2> <span class="badge badge-pill badge-default">Predefinito</span> <span class="badge badge-pill badge-primary">Principale</span> <span class="badge badge-pill badge-success">Successo</span> <span class="badge badge-pill badge-info">Informazione</span> <span class="badge badge-pill badge-warning">Avviso</span> <span class="badge badge-pill badge-danger">Pericolo</span> </div> </body> </html>测试看看 ‹/›
Il seguente esempio integra il distintivo all'interno del pulsante:
<!DOCTYPE html> <html> <head> <title>Bootstrap esempio</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>徽章嵌入到按钮内</h2> <button type="button" class="btn btn-primary"> Messages <span class="badge badge-light">4</span> </button> <button type="button" class="btn btn-danger"> Notifications <span class="badge badge-light">7</span> </button> </div> </body> </html>测试看看 ‹/›