JSFiddle - React, Tailwind, and code Playground

HTML

<div class="favorite-tag-group">
 <ul>
     <li></li>
    <li></li>
     <li><h1>as</h1></li>
    </ul>
</div>
<div class="favorite-tag-group">
  <ul>
    <li></li>
    </ul>
</div>
<div class="favorite-tag-group">
  <ul>
    <li></li>
    </ul>
</div>
<div class="favorite-tag-group">
  <ul>
    <li></li>
      <li></li>
    </ul>
</div>

JavaScript

$(document).ready(function(){
    $("div.favorite-tag-group>ul").children("li").each(function(index,element){
         //code here
        //refer to element as $(element)
        //to get the id of the element use: $(element).attr("id");
       //
      });
});