Document

Arrays


let array = [];

let array2 = new Array();

array.push(3);
console.log(array);

array.push(2);
console.log(array);

array.pop();
console.log(array);

array.push(2);
array.push(5);
console.log(array);

array.shift();
console.log(array);

array.unshift(1);
console.log(array);

for (let i = 0; i < array.length; i++) {
    console.log(array[i]);
}

console.log(array.includes(3));
console.log(array.includes(2));

console.log(array.every((item) => item <= 5));
console.log(array.some((item) => item === 5));

console.log(array.reverse());

Objetos


let obj = {};

console.log(typeof obj);

obj.name = 'Julia';
console.log(obj);

obj.age = 20;
console.log(obj);

console.log(Object.values(obj));
console.log(Object.keys(obj));

let person = {
    name: 'Julia',
    age: 20,
    endereco: 'Rua 2',
};

console.log(person);
console.log(person.name);
console.log(person['name']);
person['location'] = 'SP';
console.log(person);
let mom = 'nameOfMom';
person[mom] = 'Maria';
console.log(person);