add an array to an array object javascript code example

Example 1: javscript append item from array

let foo = ['oop','plop','copo'];
	foo.push("plop");

Example 2: how to add objects in array

var a=[], b={};
a.push(b);    
// a[0] === b;

Example 3: how to push an element into an array in javascript

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

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

console.log(arr);