N
array.pop(); //returns popped element
//example
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.pop(); // fruits= ["Banana", "Orange", "Apple"];
N
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
newArr.splice(1,2)
//remove 1 element from index 2