Object spread operator

let user = {
    name: "John", 
    surname: "Doe",
    age: 30
}

let address = {
    city: "London",
    street: "Baker Street",
    number: 225
}

let info = {...user, ...address};

console.log(info);

//Result: 
//{name: 'John', surname: 'Doe', age: 30, city: 'London', street: 'Baker Street', number: 225}