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I came across a question asking how to fade out Bootstrap alerts after 5 seconds, and the answer was the following code. The issue is, it only works once, however as I have multiple alerts that are generated after an AJAX call this is no good. How do I make the following code run every time an alert is triggered?

window.setTimeout(function() {
     $(".alert").fadeTo(500, 0).slideUp(500, function(){
          $(this).remove(); 
     });
}, 5000);

I came across a question asking how to fade out Bootstrap alerts after 5 seconds, and the answer was the following code. The issue is, it only works once, however as I have multiple alerts that are generated after an AJAX call this is no good. How do I make the following code run every time an alert is triggered?

window.setTimeout(function() {
     $(".alert").fadeTo(500, 0).slideUp(500, function(){
          $(this).remove(); 
     });
}, 5000);
  • javascript
  • jquery
  • twitter-bootstrap
Share Improve this question edited Aug 19, 2013 at 18:03 madth3 7,34412 gold badges52 silver badges74 bronze badges asked Aug 19, 2013 at 2:32 Benedict LewisBenedict Lewis 2,8237 gold badges41 silver badges81 bronze badges 1
  • Show the code where "alerts are generated after an AJAX call", that's where you'll want to put the code to hide them. – No Results Found Commented Aug 19, 2013 at 2:38
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2 Answers 2

Reset to default 6

One possible solution is to use a custom event showalert after the alert is shown and in the event handler remove the alert

$(document).on('showalert', '.alert', function(){
    window.setTimeout($.proxy(function() {
        $(this).fadeTo(500, 0).slideUp(500, function(){
            $(this).remove(); 
        });
    }, this), 5000);
})

and

$('<div class="alert alert-error">' + 'some message' + '</div>').appendTo('#result').trigger('showalert');

Demo: Fiddle

I think it is because $(this).remove(); removes the alert from the DOM. You can actually just modify the content without regenerating the alert every time after the AJAX call.

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