JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
<!-- Element Selectors -->
<p>Stackoverflow to help in understanding errors </p>

<hr/>

<!-- ID Selectors -->
<div id="selectMe">I am inner content of Div.</div> 

<hr/>
<!-- Class Selector -->
<span class="demoClass"> Demo JQuery Class Selectors </span>
<hr/>
<!-- All element -->

<p> This is p Tag </p>
<div> This is div Tag</div>
<span> This is span Tag</span>

JavaScript

$(document).ready(function(){
  console.log($("p"));  // element selector
  console.log($("#selectMe"));  // ID selector
  console.log($(".demoClass"));  // class selector
  console.log($("*")); // All selector
})