What does `Array.prototype.fill(0, 1, 3)` do on `[1,2,3,4,5]`?

Question

JavaScript Professional — Easy

What does `Array.prototype.fill(0, 1, 3)` do on `[1,2,3,4,5]`?

Accepted Answer

The `Array.prototype.fill(0, 1, 3)` method on `[1,2,3,4,5]` fills positions 1 to 2 (exclusive) with 0, resulting in [1,0,0,4,5]. It starts filling at index 1 and stops before index 3.