Javascript / Copying Arrays and Objects

js-copying-arrays-objects.js

// Array 
const players = ['Ricardo', 'Canelas', 'Robyn', 'Emma'];
const team = players.slice();
const team2 = [].concat(players);
const team3 = [...players]; // ...spread


// Object - *note: this is only 1 level deep
const person = {name: 'Ricardo Canelas', age: 23};
const capitan = Object.assign({}, person, { from: 'Brazil' });

// Object - *note: for many levels deep
const person = {name: 'Ricardo Canelas', age: 23, social:{twitter:'ricardocanelas'};
const developer = JSON.parse(JSON.stringify(person));