Alerta de Bootstrap 4 JS

Alertar classes CSS

Para um tutorial sobre Alertas, leia nosso Tutorial de Alertas de Bootstrap .

Class	Description	Example
`.alert`	Creates an alert message box
`.alert-danger`	Red alert. Indicates a dangerous or potentially negative action
`.alert-dark`	Dark alert. Dark grey alert box
`.alert-dismissible`	Indicates a closable alert box. Together with the `.close` class, this class is used to close the alert (adds extra padding)
`.alert-heading`	Adds `color:inherit` to the specified element
`.alert-info`	Light-blue alert.Indicates a neutral informative change or action
`.alert-light`	Light alert. Light grey alert box
`.alert-link`	Used on links inside alerts to provide matching colored links
`.alert-primary`	Blue alert. Indicates an important action
`.alert-secondary`	Grey alert. Indicates a "less" important action
`.alert-success`	Green alert. Indicates a successful or positive action
`.alert-warning`	Yellow alert. Indicates caution should be taken with this action
`.close`	Styles the close button for the alert message (floats right with a specified font-size, color, etc.)

Adicione data-dismiss="alert"a um link ou a um elemento de botão para fechar a mensagem de alerta.

Feche manualmente com:

$('.close').alert("close");

None

A tabela a seguir lista todos os métodos de alerta disponíveis.

Method	Description	Try it
.alert("close")	Closes the alert message
.alert("dispose")	Destroys an element's alert.

A tabela a seguir lista todos os eventos de alerta disponíveis.

Event	Description	Try it
close.bs.alert	Occurs when the alert message is about to be closed
closed.bs.alert	Occurs when the alert message has been closed (will wait for CSS transitions to complete)