Bootstrap аккордеон не желая свернуть по умолчанию

Question

Вот фрагмент кода

<div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true"> 
    <div class="panel panel-default"> 
    <div class="panel-heading" role="tab" id="headingOne"> 
     <h4 class="panel-title"> 
     <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"> 
      Se fler produkter.......................***etc 

«ария вспененные» устанавливается в ложь - еще аккордеон открыт, когда я загрузить страницу. Что может случиться?

Answer 1

Вам необходимо удалить класс in из корпуса первого аккордеона. Вот скрипку: https://jsfiddle.net/bc7yq29n/

Bootstrap оригинальный HTML:

<div class="panel panel-default"> 
    <div class="panel-heading" role="tab" id="headingOne"> 
     <h4 class="panel-title"> 
     <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne"> 
      Collapsible Group Item #1 
     </a> 
     </h4> 
    </div> 
    <div id="collapseOne" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingOne"> 
     <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> 

Update HTML, так первый аккордеон не расширена на странице загрузки:

<div class="panel panel-default"> 
    <div class="panel-heading" role="tab" id="headingOne"> 
     <h4 class="panel-title"> 
     <a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne"> 
      Collapsible Group Item #1 
     </a> 
     </h4> 
    </div> 
    <div id="collapseOne" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingOne"> 
     <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> 

Единственное отличие состоит в том, что in класс удален из этой строки:

<div id="collapseOne" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingOne">