How to add list items in JavaScript code example

Example 1: javascript add item to list

var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi");

Example 2: 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 3: how to add list in javascript

list=["elements"]#add elements by seperating with comma