Stackoverflow 2012-03-37 - Queue
by john_s
HTML
<button>One</button>
<button>Two</button>
<button>Three</button>
<button>Four</button>
JavaScript
$('button').each(function() {
var $button = $(this);
$('body').queue(function() {
$button.fadeOut(450, function() { $('body').dequeue(); });
});
});