Bootstrap

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Collapse

<a class="btn btn-primary" role="button" data-toggle="collapse" href="#collapseBeispiel" aria-expanded="false" aria-controls="collapseBeispiel">

 Link mit href

</a> <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseBeispiel" aria-expanded="false" aria-controls="collapseBeispiel">

 Button mit data-target

</button>

jgjg hgg jhgj jgjgjg jjkgjhgjg jhggjhg jgjg

<button type="button" class="btn btn-primary" data-toggle="button" aria-pressed="false" autocomplete="off">

 Einzelner Schalter

</button>

    --- Button code goes here inbetween the toolbar divs. ---

http://holdirbootstrap.de/javascript/#collapse