add array js code example

Example 1: javascript append to array

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

Example 2: js array add element

array.push(element)

Example 3: javascript array add

// example:
let yourArray = [1, 2, 3];
yourArray.push(4); // yourArray = [1, 2, 3, 4]

// syntax:
// <array-name>.push(<value-to-add>);

Example 4: how to append objects to javascript lists ?

var studentList = ['Jason', 'Samantha', 'Alice', 'Joseph'];

//Add a new student to the end of the student list
studentList.push('Jacob');
//list is updated to ['Jason', 'Samantha', 'Alice', 'Joseph', 'Jacob'];

Example 5: .push js

let monTableau2D = [
     ['Mark' , 'jeff' , 'Bill'] , 
     ['Zuckerberg' , 'Bezos' , 'Gates']
 ] ;
 monTableau2D[1].push('test') ; 
 console.log(monTableau2D) ;
              //////////////////
let monTableau = ['un', 'deux','trois', 'quatre'] ;
monTableau.push('cinq') ;
console.log(monTableau) ;

			///////////////////

let monTableauAssociatif = {
     'prenom' : 'Mark' ,
     'nom'    : 'Zuckerberg' , 
     'poste'  : 'Pdg de Facebook',

 } ;
 monTableauAssociatif['nationalite'] = 'Américaine' ;
 console.log(monTableauAssociatif) ;

Example 6: add item to array javascript

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