JSFiddle - React, Tailwind, and code Playground

HTML

<span><a href="#">Dérouler</a></span>
<div class="div_test">
	<span>test content</span>
</div>

<br /><br />

<!-- 2 -->
<span><a href="#">Dérouler</a></span>
<div class="div_test">
	<span>test content</span>
</div>

<br /><br />

<!-- 3 -->
<span><a href="#">Dérouler</a></span>
<div class="div_test">
	<span>test content</span>
</div>

CSS

.div_test {
	border:2px solid #000;
}

JavaScript

$('.div_test').show();