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