Bootstrap 5: alertas

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Alertas

Bootstrap 5 proporciona una manera sencilla de crear mensajes de alerta predefinidos:

Las alertas se crean con la clase .alert, seguida de una de las clases contextuales:

.alert-success
.alert-info
.alert-warning
.alert-danger
.alert-primary
.alert-secondary
.alert-light
.alert-dark

Ejemplo

<div class="alert alert-success">
  <strong>Success!</strong> Indicates a successful or positive action.
</div>

Pruébelo usted mismo →

<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>Alerts</h2>
  <p>Alerts are created with the .alert class, followed by a contextual color classes:</p>
  <div class="alert alert-success">
    <strong>Success!</strong> This alert box could indicate a successful or positive action.
  </div>
  <div class="alert alert-info">
    <strong>Info!</strong> This alert box could indicate a neutral informative change or action.
  </div>
  <div class="alert alert-warning">
    <strong>Warning!</strong> This alert box could indicate a warning that might need attention.
  </div>
  <div class="alert alert-danger">
    <strong>Danger!</strong> This alert box could indicate a dangerous or potentially negative action.
  </div>
  <div class="alert alert-primary">
    <strong>Primary!</strong> Indicates an important action.
  </div>
  <div class="alert alert-secondary">
    <strong>Secondary!</strong> Indicates a slightly less important action.
  </div>
  <div class="alert alert-dark">
    <strong>Dark!</strong> Dark grey alert.
  </div>
  <div class="alert alert-light">
    <strong>Light!</strong> Light grey alert.
  </div>
</div>

</body>
</html>

Enlaces de alerta

Agregue la clase .alert-link a cualquier enlace dentro del cuadro de alerta para crear "enlaces de colores coincidentes":

Ejemplo

<div class="alert alert-success">
  <strong>Success!</strong> You should <a href="#" class="alert-link">read this message</a>.
</div>

Pruébelo usted mismo →

<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>Alert Links</h2>
  <p>Add the alert-link class to any links inside the alert box to create "matching colored links".</p>
  <div class="alert alert-success">
    <strong>Success!</strong> You should <a href="#" class="alert-link">read this message</a>.
  </div>
  <div class="alert alert-info">
    <strong>Info!</strong> You should <a href="#" class="alert-link">read this message</a>.
  </div>
  <div class="alert alert-warning">
    <strong>Warning!</strong> You should <a href="#" class="alert-link">read this message</a>.
  </div>
  <div class="alert alert-danger">
    <strong>Danger!</strong> You should <a href="#" class="alert-link">read this message</a>.
  </div>
  <div class="alert alert-primary">
    <strong>Primary!</strong> You should <a href="#" class="alert-link">read this message</a>.
  </div>
  <div class="alert alert-secondary">
    <strong>Secondary!</strong> You should <a href="#" class="alert-link">read this message</a>.
  </div>
  <div class="alert alert-dark">
    <strong>Dark!</strong> You should <a href="#" class="alert-link">read this message</a>.
  </div>
  <div class="alert alert-light">
    <strong>Light!</strong> You should <a href="#" class="alert-link">read this message</a>.
  </div>
</div>

</body>
</html>

Alertas de cierre

Success! This alert box could indicate a successful or positive action.

Para cerrar el mensaje de alerta, agregue un .alert-dismissible clase al contenedor de alertas. Luego agregue class="btn-close" y data-bs-dismiss="alert" a un enlace o un elemento de botón (al hacer clic en esto, aparecerá el cuadro de alerta). desaparecer).

Ejemplo

 <div class="alert alert-success alert-dismissible">
  <button 
  type="button" class="btn-close" data-bs-dismiss="alert"></button>
  
  <strong>Success!</strong> This alert box could indicate a successful or 
  positive action.
</div>

Pruébelo usted mismo →

<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>Alerts</h2>
  <p>The button with class="btn-close" and data-bs-dismiss="alert" is used to close the alert box.</p>
  <p>The alert-dismissible class aligns the button to the right.</p>
  <div class="alert alert-success alert-dismissible">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Success!</strong> This alert box could indicate a successful or positive action.
  </div>
  <div class="alert alert-info alert-dismissible">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Info!</strong> This alert box could indicate a neutral informative change or action.
  </div>
  <div class="alert alert-warning alert-dismissible">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Warning!</strong> This alert box could indicate a warning that might need attention.
  </div>
  <div class="alert alert-danger alert-dismissible">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Danger!</strong> This alert box could indicate a dangerous or potentially negative action.
  </div>
  <div class="alert alert-primary alert-dismissible">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Primary!</strong> Indicates an important action.
  </div>
  <div class="alert alert-secondary alert-dismissible">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Secondary!</strong> Indicates a slightly less important action.
  </div>
  <div class="alert alert-dark alert-dismissible">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Dark!</strong> Dark grey alert.
  </div>
  <div class="alert alert-light alert-dismissible">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Light!</strong> Light grey alert.
  </div>
</div>

</body>
</html>

Alertas animadas

Las clases .fade y .show añaden un efecto de desvanecimiento cuando cerrando el mensaje de alerta:

Ejemplo

<div class="alert alert-danger 
  alert-dismissible fade show">

Pruébelo usted mismo →

<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>Animated Alerts</h2>
  <p>The .fade and .show classes adds a fading effect when closing the alert message.</p>
  <div class="alert alert-success alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Success!</strong> This alert box could indicate a successful or positive action.
  </div>
  <div class="alert alert-info alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Info!</strong> This alert box could indicate a neutral informative change or action.
  </div>
  <div class="alert alert-warning alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Warning!</strong> This alert box could indicate a warning that might need attention.
  </div>
  <div class="alert alert-danger alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Danger!</strong> This alert box could indicate a dangerous or potentially negative action.
  </div>
  <div class="alert alert-primary alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Primary!</strong> Indicates an important action.
  </div>
  <div class="alert alert-secondary alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Secondary!</strong> Indicates a slightly less important action.
  </div>
  <div class="alert alert-dark alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Dark!</strong> Dark grey alert.
  </div>
  <div class="alert alert-light alert-dismissible fade show">
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    <strong>Light!</strong> Light grey alert.
  </div>
</div>

</body>
</html>