JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button"  id="toggle" class="toggle" value="Click">
<div id="content" class="content" ></div>

CSS

#content {
    width: 100px;
    height: 100px;
    background: #ccc;
  }

JavaScript

var $content = $(".content").hide();
      $(".toggle").on("click", function(e){
        $(this).toggleClass("expanded");
         $content.toggle( "slide" );
      });