add an array to an array javascript code example

Example 1: javascript append to array

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

Example 2: append array js

var colors= ["red","blue"];
	colors.push("yellow"); //["red","blue","yellow"]

Example 3: javascript append element to array

var colors= ["red","blue"];
	colors.push("yellow");

Example 4: javascript adding an array to an array

let chocholates = ['Mars', 'BarOne', 'Tex'];
let chips = ['Doritos', 'Lays', 'Simba'];
let sweets = ['JellyTots'];

let snacks = [];
snacks.concat(chocholates);
// snacks will now be ['Mars', 'BarOne', 'Tex']
// Similarly if we left the snacks array empty and used the following
snacks.concat(chocolates, chips, sweets);
//This would return the snacks array with all other arrays combined together
// ['Mars', 'BarOne', 'Tex', 'Doritos', 'Lays', 'Simba', 'JellyTots']

Example 5: javascript add element to array

const langages = ['Javascript', 'Ruby', 'Python'];
langages.push('Go'); // => ['Javascript', 'Ruby', 'Python', 'Go']

const dart = 'Dart';
langages = [...langages, dart]; // => ['Javascript', 'Ruby', 'Python', 'Go', 'Dart']

Example 6: how to insert a value into an array javascript

var list = ["foo", "bar"];


list.push("baz");


["foo", "bar", "baz"] // result