Copying an object immutably with the spread operator

immutable-object.js

const mySquirtle = {
  name: 'Squirtle',
  type: 'Water',
  hp: 100
};

const anotherSquirtle = { ...mySquirtle };
anotherSquirtle.hp = 0;

console.log(anotherSquirtle); //Result: { name: 'Squirtle', type: 'Water', hp: 0 }
console.log(mySquirtle); //Result: { name: 'Squirtle', type: 'Water', hp: 100 }