Acest exemplu foloseste AJAX pentru incarcarea textului ferestrei modale :
<button type="button" class="btn btn-info" data-toggle="modal" data-target="#fereastra" onclick="getAJAX()">Demonstratie</button>
<div class="modal fade" id="fereastra" tabindex="-1" role="dialog" aria-labelledby="fereastraLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="fereastraLabel">Titlul ferestrei</h4>
</div>
<div class="modal-body" id="fereastraContent">
</div>
</div>
</div>
</div>
<script type="text/javascript">
function getAJAX() {
$("#fereastraContent").html('<i class="fa fa-spinner fa-pulse"></i>');
$.ajax({url: "/files/ajaxtext.txt", success: function(result){
$("#fereastraContent").html(result);
}});
};
</script>
De asemenea, acest exemplu foloseste FontAwesome pentru loader-ul AJAX (ce apare in fereastra cat timp se asteapta raspunsul la requestul AJAX)