JSFiddle - React, Tailwind, and code Playground

HTML

<dl>
  <dt>Items 1:</dt>
  <dd>
    <ul>
      <li>Item 1-1<div class="item-info">...</div></li>
      <li>Item 1-2<div class="item-info">...</div></li>
      <li>Item 1-3<div class="item-info">...</div></li>
    </ul>
  </dd>
  <dt>Items 2:</dt>
  <dd>
    <ul>
      <li>Item 2-1<div class="item-info">...</div></li>
      <li>Item 2-2<div class="item-info">...</div></li>
      <li>Item 2-3<div class="item-info">...</div></li>
    </ul>
  </dd>
  <dt>Items 3:</dt>
  <dd>
    <ul>
      <li>Item 3-1<div class="item-info">...</div></li>
      <li>Item 3-2<div class="item-info">...</div></li>
      <li>Item 3-3<div>...</div></li>
    </ul>
  </dd>
</dl>

JavaScript

$(document).ready(function() {
    // The code that grabs the matching ULs
    var ULsWithAll=$("ul").has(".item-info").filter( function(index) { // Grab all ULs that has at least one .item-info
      var ChildrenOfUL=$(this).children("li");  // Grab the children

      return ChildrenOfUL.length===ChildrenOfUL.has(".item-info").length;  // Are all of them .item-info
    });

    $(ULsWithAll).each(function(){ // Output the ULs that were found
      alert($(this).html());
    })
  });