JSFiddle - React, Tailwind, and code Playground

JavaScript

var Prices = [60, 50, 40, 30];
var Usersname = prompt("Please enter your name");
while(Usersname == null)
{
    Usersname = prompt("Please enter your name");
}

console.info(Usersname);

function numSeats () {
var seats = prompt("Please enter the number of seats you want to buy");
parseInt(seats);
while((seats == null)||(seats > 6))
{
    seats = prompt("Please enter a number between 1 and 6"); 
    parseInt(seats);
}
    return seats;   
}
var seatswanted = numSeats ();

function seatingChoice () {
var choice = prompt("Please enter where you would like your seats to be located by indicating     the correct number from the table");
parseInt(choice)
while((choice == null)||(choice > 4))
{
    choice = prompt("Please enter a number between 1 and 4, corresponding to your section choice");
    parseInt(choice);
}
return choice;
}
var seating = seatingChoice();

var dollaramt = (seatswanted * Prices[seating-1]);

console.log(Usersname + " ordered " + seatswanted + " tickets for a total of " + "$" +  dollaramt + ".");