Question

The pop() method of the array does which of the following task?

(a) decrements the total length by 1

(b) increments the total length by 1

(c) prints the first element but no effect on the length

(d) updates the element

I had been asked this question by my college director while I was bunking the class.

I'd like to ask this question from Array and Related Methods topic in division Lexical Structures of JavaScript

Answer 1

The correct choice is (a) decrements the total length by 1

Easy explanation: pop() function pops out that is delete the last element from the array. Hence pop() method (it works with push()) reduces the length of an array by 1.