Currently, I am experimenting with merging Bootstrap's accordion and list group with JS behavior. My goal is to create a set of list groups where only one option can be active at a time within each accordion.
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<div class="accordion col-4" id="accordionVentures">
<div class="card">
<div class="card-header" id="heading1000">
<button class="btn btn-link" type="button" data-toggle="collapse" data-target="#collapse1000" aria-expanded="true" aria-controls="collapse1000">
Baauw
</button>
</div>
<div id="collapse1000" class="collapse" aria-labelledby="heading1000" data-parent="#accordionVentures">
<div class="card-body">
<div class="list-group" id="list-tab1000" role="tablist">
<a class="list-group-item list-group-item-action" id ="list-1000Vlaardingen-list" href="#list-1000Vlaardingen" aria-controls="1000Vlaardingen" role="tab" data-toggle="list">Vlaardingen</a>
</div>
</div>
</div>
</div>
<div class="card">
<div class="card-header" id="heading2000">
<button class="btn btn-link" type="button" data-toggle="collapse" data-target="#collapse2000"
aria-expanded="true" aria-controls="collapse2000" >
Blauwhoff
</button>
</div>
<div id="collapse2000" class="collapse" aria-labelledby="heading2000" data-parent="#accordionVentures">
<div class="card-body">
<div class="list-group" id="list-tab2000" role="tablist">
<a class="list-group-item list-group-item-action" id ="list-2000Aalsmeer-list" href="#list-2000Aalsmeer" aria-controls="2000Aalsmeer" role="tab" data-toggle="list">Aalsmeer</a>
</div>
</div>
</div>
</div>
</div>
<div>
<div class="tab-content" id="nav-tabContent1000">
<div class="tab-pane fade" id="list-1000Vlaardingen" role="tabpanel" aria-labelledby="list-1000Vlaardingen-list">Vlaardingen</div>
</div>
<div class="tab-content" id="nav-tabContent2000">
<div class="tab-pane fade" id="list-2000Aalsmeer" role="tabpanel" aria-labelledby="list-2000Aalsmeer-list">Aalsmeer</div>
</div>
</div>
Here is the jsfiddle link demonstrating proper bootstrap interpretation
UPDATE: The current situation is illustrated below:
Step 1. One of the buttons pressed
https://i.sstatic.net/5riHA.png
Step 2. Moving to another accordion and pressing an additional button
https://i.sstatic.net/4BY8i.png
I anticipate that only one option should be active in this scenario: