JSFiddle - React, Tailwind, and code Playground

HTML

<div class="akordeon-item akordeon-item-first">

<div>
    <span class="userid">
          blabla@yahoo.com
    </span>
</div>
</div>
<div class="akordeon-item akordeon-item-second">

<div>
    <span class="userid">
          john_doe@yahoo.com
    </span>
</div>
</div>
<div class="akordeon-item akordeon-item-third">

<div>
    <span class="userid">
          john_doe2@yahoo.com
    </span>
 </div>
 </div>

 <div class="akordeon-item akordeon-item-fourth">

<div>
    <span class="userid">
          john_doe3@yahoo.com
    </span>
</div>

JavaScript

$.each($('[class^="akordeon-item"]'), function(key, value) {
    console.log(key, value);
});