It does not throw Errors with this, but I dont know in which situation you want your code to be implemented and what it should do, I hope this is what you need:
var userList = [];
var username = "";
var fullname = "";
var addUserName = addUser(username, userList);
var addFullName = addUser(fullname, userList);
function addUser(usrName, list) {
if (list.length === 0) {
list.push(usrName); // userlist empty add the new user
} else {
for (var i = 0; i < list.length; i++) {
if (list[i] === undefined) {
list[i] = usrName;
return list;
} else if (i == list.length - 1) {
list.push(usrName);
return list;
}
}
}
} // Function that adds user and name to list
var usernameQuery;
function confirmUserName() {
confirm("Is " + username + " your first choice?");
if (confirmUserName === true) {
return fullnameQuery;
} else {
return usernameQuery;
}
}
var fullnameQuery;
function fullnameConfirm() {
confirm("Is " + fullname + " your first choice ");
if (fullnameConfirm === true) {
return startRide;
} else {
return fullnameQuery;
}
}
if (username === undefined) {
usernameQuery = function () {
username = prompt("You are the first user to play, \n" +
" Chose and let the game begin !");
return addUserName;
};
} else {
usernameQuery = function () {
username = prompt("What username whould you like to have ? \n" +
" Chose and let the game begin !");
return addUserName;
};
}
confirmUserName();
if (fullname === undefined) {
fullnameQuery = function () {
fullname = prompt("Enter your real name !");
return addFullName;
};
} else {
fullnameQuery = function () {
fullname = prompt("Enter your real name!");
return addFullName;
};
}
fullnameConfirm();