Guys help me with JavaScript assignment

Question

Write a javascript program that asks the user to enter his or her first name and then last name, and
then constructs, stores, and displays a third string consisting of the user’s last name followed by a
comma, a space, and first name. Use string objects and methods from the string header file. A
sample run could look like this:
Enter your first name: Paul
Enter your last name: Smith
Here’s the information in a single string: Smith, Paul

Answer 1

var firstName = prompt("Please enter your first name");
var lastName = prompt("Please enter your last name");
var output = lastName + ', ' + firstName;
alert(output);

Answer 2

Raz

Answer 3

Naz

Answer 4

Nazraz