JSFiddle - React, Tailwind, and code Playground
by eapo
HTML
<div id="edit-submitted-merleg-forgoeszkozok-kovetelesek-2010-wrapper" class="form-item">
<label for="edit-submitted-merleg-forgoeszkozok-kovetelesek-2010">Követelések: </label>
<input type="text" class="form-text" value="" size="15" id="edit-submitted-merleg-forgoeszkozok-kovetelesek-2010" name="submitted[merleg][forgoeszkozok][kovetelesek_2010]" maxlength="128">
<div class="description"><p>Vevőkkel szembeni követelések</p>
</div>
</div>
JavaScript
$(document).ready(function(){
$(".form-item:has(div.description)").children("label").append(function(){
$(this).parent().children('.description').hide();
return '<sup><a href="#" onclick="$(this).parent().parent().parent().find(\'.description\').toggle();" title="'+$(this).parent().children('.description').text()+'"><strong>?</strong></a></sup>';
});
});