auto hide alert messsage : : HEMANT VISHWAKARMA

HTML

<div class="alert alert-success" role="alert">
  <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
  <strong>Success!</strong> You have been signed in successfully!
</div>


CSS

@import "compass/css3";

body{
  padding: 50px;
}


JS

window.setTimeout(function() {
    $(".alert").fadeTo(500, 0).slideUp(500, function(){
        $(this).remove(); 
    });
}, 4000);