for-in e for-of

for in for of.md

For in

const person = {
    name: 'John',
    age: 30,
    city: 'New York'
};

for (let key in person) {
    console.log(key + ': ' + person[key]);
}

For-of

const colors = ['red', 'green', 'blue'];

for (let color of colors) {
    console.log(color);
}