Test 'input' event
by ChrisWong
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<tr>
<td>
<input name="positionen[0][bezeichnung]" value="Test" />
<div id="tinymce" name="positionen[0][beschreibung]"></div>
</td>
</tr>
JavaScript
var myArray = $('input')
console.log(myArray.attr("name").serialize())