push inside array javascript code example

Example 1: append array js

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

Example 2: js add to array

let arr = [1, 2, 3, 4];

arr = [...arr, 5, 6, 7];

console.log(arr);

Example 3: .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) ;