I have a simple bootstrap modal populated via ajax. The content is an Accordion made by the bootstrap plugin Collapse. If I try to detect the hidden.bs.collapse (or any other Event detectable), it won't be fired.

http://jsfiddle.net/Diac/n2jm5cy8/

HTML

<!-- Button trigger modal -->

<a href=/echo/html/ data-remote=false data-toggle=modal data-target=#myModal>Launch demo modal</a>

<!-- Modal -->

<div class=modal fade id=myModal tabindex=-1 role=dialog aria-labelledby=myModalLabel>

    <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>&times;</span></button>

                <h4 class=modal-title id=myModalLabel>Modal title</h4>

            </div>

            <div class=modal-body id=modalbody>

            </div>

            <div class=modal-footer>

                <button type=button class=btn btn-default data-dismiss=modal>Close</button>

                <button type=button class=btn btn-primary>Save changes</button>

            </div>

        </div>

    </div>

</div>

accordion.html (loaded via ajax)

<div class='panel-group' id='accordion'>

    <div class='panel panel-default' id='panel1'>

        <div class='panel-heading'>

            <h4 class='panel-title'>

                <a data-toggle='collapse' data-parent='#accordion' href='#collapseOne'>Collapsible Group Item #1</a>

            </h4>

        </div>

        <div id='collapseOne' class='panel-collapse collapse in'>

            <div class='panel-body'> Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS. </div>

        </div>

    </div>

</div>

JavaScript

$('a[data-toggle]').click(function(e) {

    e.preventDefault();

});



$('#myModal').on('show.bs.modal', function(event) {

    $.ajax({

        url: accordion.html,

        success: function(responseText) {

            $(#modalbody).html(responseText);

        }

    });

});



$('.panel').on('hidden.bs.collapse', function (e) {

    alert('Event fired on #' + e.currentTarget.id);

})