shallow-copy.js

const animals = {
  zebra: {
    food: ['leaves', 'bark'],
    name: 'zebra'
  },
  panda: {
    food: [],
    name: 'panda'
  }
};

// In order to get a new reference and copy the elements 
// we just need to do use spread operator
const copy = { ...animals }; 

// Alternative:
// const copy = Object.assign({}, animals);