object assign vs clone code example
Example 1: copy object javascript
// es6
const obj = {name: 'john', surname: 'smith'};
const objCopy = {...obj};
Example 2: copy object javascript
var x = {key: 'value'}
var y = JSON.parse(JSON.stringify(x))
//this method actually creates a reference-free version of the object, unlike the other methods
//If you do not use Dates, functions, undefined, regExp or Infinity within your object