How to call Bootstrap alert with jQuery?

Question

Let's say I've the following piece of code:

<div class="alert alert-info fade in" id="bsalert">
  <a href="#" class="close" data-dismiss="alert" aria-label="close">&times;</a>
  <strong>Info!</strong> This alert box could indicate a neutral informative or action
</div>

How can I activate it manualy by using jQuery?

Answer 1

Bootstrap uses the in and out class for visibility. You just need to toggle those classes. Also, if you want to keep the alert around once cancelled you can add a return false to the close.bs.alert event.

function toggleAlert(){
    $(".alert").toggleClass('in out'); 
    return false; // Keep close.bs.alert event from removing from DOM
}


$("#btn").on("click", toggleAlert);
$('#bsalert').on('close.bs.alert', toggleAlert)

<link rel="stylesheet" type="text/css"  href="https://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<button id="btn">Toggle</button>

<div class="alert alert-info fade out" id="bsalert">
  <a href="#" class="close" data-dismiss="alert" aria-label="close">&times;</a>
  <strong>Info!</strong> This alert box could indicate a neutral informative or action
</div>

<div>
    content