reverse()mutates the original array, return the reference point to the original array.
The toReversed() method of Array instances is the copying counterpart of the reverse() method. It returns a new array with the elements in reversed order.
const items = [1, 2, 3];
console.log(items); // [1, 2, 3]
const reversedItems = items.toReversed();
console.log(reversedItems); // [3, 2, 1]
console.log(items); // [1, 2, 3]
console.log([1, , 3].toReversed()); // [3, undefined, 1]
console.log([1, , 3, 4].toReversed()); // [4, 3, undefined, 1]
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