js append element to another code example

Example 1: JavaScript append text to div

var div = document.getElementById('myElementID');
div.innerHTML += "Here is some more data appended";

Example 2: appendchild javascript

const parent = document.createElement('div');
const child = document.createElement('p');
const appendValue = parent.append(child);
console.log(appendValue) // undefined
const appendChildValue = parent.appendChild(child);
console.log(appendChildValue) // <p><p>