JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/ui-lightness/jquery-ui.css">
<div id='container'>
    some text
    <span>some more text</span>
    and more text
</div>

JavaScript

var element = document.getElementById('container');

var text = element.innerText || element.textContent;


alert( text );