JSFiddle - React, Tailwind, and code Playground

HTML

<head>
	<title>Learn Javascript</title>
</head>

<body>

<div>
	<h1 id="title">one</h1>
	<h1 id="title2">two</h1>
	<h1 id="title3">three</h1>
</div>

</body>

JavaScript

parent = document.getElementsByTagName("div");
children = parent[0].childNodes;
for(var i=0; i<children.length; i++){
	document.write("#" + i + " " + children[i].innerHTML + "<br>");
}