fp-block05.js

const person01 = {
  name: 'JM'
};

/**
 * Clone/copy all the values in `person01`
 */
const person02 = { ...person01 };

/**
 * Mutating `person02` will *not* cause effect also on `person01` because 
 * `person01` was not assigned/passed by the same reference of `person01`
 * Since we copy `person01` it creates a new reference that only `person02` has
 */
person02.name = 'JM Santos';

console.log('person01', person01); // JM
console.log('person02', person02); // JM Santos