copyingObjects.js

// COPYING OBJECTS

// foreach
const person = {name: "John", age: 30, children: [{name:"JOHNNY"}]};
const newPerson = {};
Object.keys(person).forEach((personField) => {
    newPeople[personField] = person[personField]
});

// object assign
const newPerson = Object.assign({}, person);

// spread ...
const newPerson = {...person};