JavaScript appendieren Element an Array
var colors= ["red","blue"];
colors.push("yellow");
Friendly Hawk
var colors= ["red","blue"];
colors.push("yellow"); let array = ["A", "B"];
let variable = "what you want to add";
//Add the variable to the end of the array
array.push(variable);
//===========================
console.log(array);
//output =>
//["A", "B", "what you want to add"]/*The push() method adds elements to the end of an array, and unshift() adds
elements to the beginning.*/
let twentyThree = 'XXIII';
let romanNumerals = ['XXI', 'XXII'];
romanNumerals.push(twentyThree);
// now equals ['XIX', 'XX', 'XXI', 'XXII', 'XXIII']
romanNumerals.unshift('XIX', 'XX');
// now equals ['XIX', 'XX', 'XXI', 'XXII']const arr = ["foo", "bar"];
arr.push('baz'); // 3
arr; // ["foo", "bar", "baz"]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) ;
*The push() method adds elements to the end of an array, and unshift() adds
elements to the beginning.*/
let twentyThree = 'XXIII';
let romanNumerals = ['XXI', 'XXII'];
romanNumerals.push(twentyThree);
// now equals ['XIX', 'XX', 'XXI', 'XXII', 'XXIII']
romanNumerals.unshift('XIX', 'XX');
// now equals ['XIX', 'XX', 'XXI', 'XXII']