Remove an element at the end of the array

Remove an element at the end of the array.

Using length 

Output = [1, 2, 3, 4, 5]

Using pop()

pop() method removes last element from an array and returns that elements.

Output = [1, 2, 3, 4, 5]

Using Splice()

Splice() method changes an array by removing or replacing existing elements and/or adding new elements in place.

Output = [1, 2, 3, 4, 5]