Bootstrap: Collapse other sections when one is expanded

Question

I am making a Rails app, and am trying to achieve a particular functionality relating to Twitter\'s Bootstrap collapse. Bear with me as I explain it.

I currently hav

Answer 1

If you are using Bootstrap 4, and you don't want to change your markup:

var $myGroup = $('#myGroup');
$myGroup.on('show.bs.collapse','.collapse', function() {
$myGroup.find('.collapse.show').collapse('hide');
});