JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container" style="width: 200px; height: 200px; border: solid 1px red;">
    
  <div class="entry-title">
      
    Lorem Ipsum
  </div>

  <div class="content">
    <p>Donec id elit non mi porta gravida at eget metus.</p>
  </div>

    .......


</div>

JavaScript

var contentDivs = $("div.container").find("*");
$("div.container").empty().append(contentDivs);