What will happen if reverse() and join() methods are used simultaneously?

Stores the elements of array in normal order

Reverses and stores in the same array

Reverses and concatenates the elements of the array

Stores the elements of array in normal order

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

increments the total length by 1

decrements the total length by 1

increments the total length by 1

prints the first element but no effect on the length

Explore topic-wise MCQs in Javascript.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.

1.	What will happen if reverse() and join() methods are used simultaneously?
A.	Reverses and stores in the same array
B.	Reverses and concatenates the elements of the array
C.	Reverses
D.	Stores the elements of array in normal order
Answer» D. Stores the elements of array in normal order

Discussion

2.	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
Answer» B. increments the total length by 1

Discussion