JavaScript Quiz: Destructuring

How to assign array elements to multiple variables in one go?

let arr = ["one", "two", "three", "four"];

let [first, second, ...rest] = arr;
// first:  "one"
// second: "two":
// rest:   [ "three", "four" ]

How to assign object properties to multiple variables in one go?

let obj = {
    firstName: "Alice",
    lastName: "Jones",
    birthYear: "1995",
    profession: "IT"
};

// variable names must match property names:
let { firstName, lastName, ...objRest } = obj;
// firstName: "Alice"
// lastName:  "Jones"
// objRest:   { birthYear: '1995', profession: 'IT'  }