js how to append code example

Example 1: .append js

let parent = document.createElement("div")
parent.append("Some text")

console.log(parent.textContent) // "Some text"

Example 2: append an array

// initialize array
var arr = [
  "Hi",
  "Hello",
  "Bonjour"
];

// append new value to the array
arr.push("Hola");

console.log(arr);