5 JavaScript Concepts You HAVE TO KNOW

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Mise à niveau

DS

// //dessinez le résultat en mémoire

const people = [
  {
    firstName: "John",
    lastName: "Doe",
    mark: 14,
    address: {
      street: "Champs Elysées",
      city: "Paris",
    },
  },
  {
    firstName: "Alice",
    lastName: "Martin",
    mark: 18,
    address: {
      street: "Rue de Rivoli",
      city: "Paris",
    },
  },
];

const updatedPeople = people.map(
  (person) =>
    person.firstName === "John"
      ? { ...person, mark: 16 } 
      : person 
);