ecmascript-spread-for-clone.js

const a = [1,2,3,4,5];
const aCloned = [...a];

aCloned.push(7);
console.log(a);
console.log(aCloned);

const o = { name: "john", lastname: "nelson", skills: "python" };
const oCloned = { ...o };

oCloned.rancher = true;

console.log(o);
console.log(oCloned);