.pop()
Removes the last element from an array and returns that element.
Examples:
let fruits = ['apple', 'banana', 'orange'];
let last = fruits.pop();
console.log(last); // 'orange'
console.log(fruits); // ['apple', 'banana']
last = fruits.pop();
console.log(last); // 'banana'
console.log(fruits); // ['apple']