JSFiddle - React, Tailwind, and code Playground
HTML
<div>
<div id="mydiv">
<h3>
This is a Test Page
</h3>
<div>I am inside a div</div>
<a href="http://www.google.com">Click me</a>
<div>Second div</div>
</div>
</div>
JavaScript
$(function () {
var elm = document.getElementById("mydiv");
alert($(elm).find('h3').text());
});