JSFiddle - React, Tailwind, and code Playground
by dima_k
HTML
<body>
<p>Prev sibling</p>
<ul id="myList">
<li>First child</li>
<li>Second child</li>
<li>Third child</li>
</ul>
<p>Next sibling</p>
</body>
JavaScript
debugger;
var list = document.getElementById('myList');
alert('parentNode ' + list.parentNode.nodeName);
alert('firstChild ' + list.firstChild.nodeName);
alert('firstChild ' + list.firstElementChild.nodeName);