Adding open/closed icon to Twitter Bootstrap collapsibles (accordions)

Question

I\'ve set up this simple version of the Bootstrap accordion:

Simple accordion: http://jsfiddle.net/darrenc/cngPS/

Currently the icon only po

Answer 1

A bootstrap v3 solution (where the events have different names), also using only one jQuery selector (as seen here):

$('.accordion').on('hide.bs.collapse show.bs.collapse', function (n) {
    $(n.target).siblings('.panel-heading').find('i.glyphicon').toggleClass('glyphicon-chevron-down glyphicon-chevron-up');
});