JSFiddle - React, Tailwind, and code Playground

HTML

<div class="content">
   <h3 id="title">THIS IS TITLE</h3>
    <input type="button" id="btninput" value="Click Here"/>
</div>

JavaScript

$( document ).ready(function() {
//Here is the variable with html   
var datahtml='<body><div class="content"> <h3 >THIS IS TITLE</h3> </div></body>'
$("#btninput").click(function()
                     {
         //Using find() here                                  
alert('The title is: ' + $(datahtml).find('div').text());    
                     });
    
    
});