JSDOM appendChild sample

appendChild-test.js

const $Fs = require('fs');
const { JSDOM } = require('jsdom'); // uninstall when done

const htmlText = `
<div id="target">
<p>test</p>
</div>
`;

const _htmlTextDom = new JSDOM(htmlText);
const _htmlTextDomDocument = _htmlTextDom.window.document;
const target = _htmlTextDomDocument.querySelector('div#target');

    const div = _htmlTextDomDocument.createElement("div");
    div.innerHTML = "<p>Hello</p>";
    target.appendChild(div);

console.log(_htmlTextDomDocument.body.innerHTML);

/* Expected output
<div id="target">
   <p>test</p>
   <div>
      <p>Hello</p>
   </div>
</div>
*/