can you add an array to an array in js code example

Example 1: add value to array javascript

var fruits = ["222", "vvvv", "eee", "eeee"];

fruits.push("Kiwi");

Example 2: add item to array javascript

const arr1 = [1,2,3]
const newValue = 4
const newData = [...arr1, obj] // [1,2,3,4]