`Array.prototype.pop()`

Removes the last element from an array and returns it.

Syntax

arr.pop()

any — The removed element, or undefined if the array is empty.

const a = [1, 2, 3];
console.log(a.pop(), a);

Output

3 [ 1, 2 ]

console.log([].pop());

Output

undefined

Mutates the array in place and shortens its length by one. Returns undefined for an empty array. Use `shift` to remove from the front instead.