js append to dom code example

Example 1: appendchild javascript

const parent = document.createElement('div');
const child = document.createElement('p');
const childTwo = document.createElement('p');
parent.append(child, childTwo, 'Hello world'); // Works fine
parent.appendChild(child, childTwo, 'Hello world');
// Works fine, but adds the first element and ignores the rest

Example 2: JavaScript append HTML

let app = document.querySelector('#app');
app.append('append() Text Demo');

console.log(app.textContent);