JSFiddle - React, Tailwind, and code Playground

HTML

<div id="dvMainDiv" class="dvMainDiv">
    <div id="dvChildDiv" class="dvChildDiv" data-id="1">
       <p>
         some text
       <p>
    </div>
    <div id="dvChildDiv" class="dvChildDiv" data-id="2">
       <p>
         some text 2
       <p>
   </div>
</div>

JavaScript

console.log($('*[data-id="2"]'));