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

Use this:

$('.panel-defaul.ph').on('show.bs.collapse', function () {
    $(this).children('.panel-heading').addClass('panel-heading-collapsed');  
    $('.panel-defaul.ph').not(this).children('.panel-collapse').removeClass('in');
});