how to add an array in javascript code example
Example 1: javascript append to array
var colors=["red","white"];
colors.push("blue");//append 'blue' to colors
Example 2: javscript append item from array
let foo = ['oop','plop','copo'];
foo.push("plop");
Example 3: javascript append element to array
// initialize array
var arr = [
"Hi",
"Hello",
"Bonjour"
];
// append new value to the array
arr.push("Hola");
console.log(arr);
Example 4: add array to array javascript
// SPREAD OPERATOR
const list1 = ["pepe", "luis", "rua"];
const list2 = ["rojo", "verde", "azul"];
const newList = [...list1, ...list2];
// ["pepe", "luis", "rua", "rojo", "verde", "azul"]
Example 5: how to push items in array in javascript
let items = [1, 2, 3]
items.push(4); // items = [1, 2, 3, 4]
Example 6: javascript append array to end of array
const new_array = old_array.concat([value1[, value2[, ...[, valueN]]]])