append elemnts to array in javascript code example

Example 1: javascript append to array

var colors=["red","white"];
colors.push("blue");//append 'blue' to colors

Example 2: javascript append array to array

const array1 = ['a', 'b', 'c'];
const array2 = ['d', 'e', 'f'];
const array3 = array1.concat(array2);

Example 3: js add item to array

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