how to amke a copy of an array in map function code example
Example 1: copy array javascript
const sheeps = ['Apple', 'Banana', 'Juice'];
// Old way
const cloneSheeps = sheeps.slice();
// ES6 way
const cloneSheepsES6 = [...sheeps];
Example 2: javascript copy array
var numbers = [1,2,3,4,5];
var newNumbers = Object.assign([], numbers);