JSFiddle - React, Tailwind, and code Playground

HTML

<div id="testDiv">
    <span id="a"></span>
    <span id="b"></span>
</div>

JavaScript

var testDiv = document.getElementById("testDiv");
var nodeList = testDiv.childNodes;
console.log(nodeList.__proto__);
console.log(nodeList.a);
console.log(nodeList.b);
console.log(nodeList['a']);
console.log(nodeList['b']);