mapValues

const prices = {
  apple: 10,
  banana: 20,
};

mapValues(prices, (value) => value * 2);
// {
//   apple: 20,
//   banana: 40,
// }

const scores = {
  math: 18,
  physics: 20,
};

mapValues(scores, (value) => `Score: ${value}`);
// {
//   math: "Score: 18",
//   physics: "Score: 20",
// }

const prices = {
  apple: 10,
  banana: 20,
};

mapValues(prices, (value, key) => `${key}: ${value}`);
// {
//   apple: "apple: 10",
//   banana: "banana: 20",
// }

const data = {
  first: 10,
  second: 20,
};

mapValues(data, (value, key, object) => {
  return value + object.first;
});
// {
//   first: 20,
//   second: 30,
// }

const users = {
  alice: 25,
  bob: 30,
};

mapValues(users, (value) => value >= 30);
// {
//   alice: false,
//   bob: true,
// }

mapValues({}, () => "value");
// {}

const data = {
  first: 10,
  second: 20,
};

const result = mapValues(data, (value) => value * 2);

console.log(data);
// {
//   first: 10,
//   second: 20,
// }

const parent = {
  inherited: 10,
};

const data = Object.create(parent);
data.own = 20;

mapValues(data, (value) => value * 2);
// {
//   own: 40,
// }