這是詠歎調按下應該在Bootstrap手風琴嗎?爲什麼打開標籤時狀態不會改變?Bootstrap手風琴中的詠歎調按下的位置
<div class="panel-group">
<div class="panel panel-default">
<div class="panel-heading" data-toggle="collapse" data-target="#collapseThis">
<h6 class="panel-title">
<button class="accordion-toggle" type="button" role="button" aria-pressed="false" tabindex="1">Panel Heading</button>
</h6>
</div>
<div id="collapseThis" class="panel-collapse collapse">
<div class="panel-body">
<ul>
<li class="nice-link" data-filter=".one"><a href="#" tabindex="1">One</a></li>
<li class="nice-link" data-filter=".two"><a href="#" tabindex="2">Two</a></li>
</ul>
</div>
</div>
</div>
</div>
來自W3C(製作ARIA規範的人):https://www.w3.org/TR/wai-aria-practices-1.1/#accordion – aardrian