I am writing my own website where users sign up. It then saves that data in an array. I want to know if this is effective or if there are better ways to do it.
var isLoggedOn = false;
var numberOfUsers = 0;
var users = new Array();
var correct = false;
var currentUser = new User();
var date = new Array();
var userNumber = 0;
function getRegistrationFields() {
var first1 = document.getElementById("firstname");
first1.onclick = getRegistrationFields;
var last1 = document.getElementById("lastname");
last1.onclick = getRegistrationFields;
var email1 = document.getElementById("email");
email1.onclick = getRegistrationFields;
var age1 = document.getElementById("age").value;
age1.onclick = getRegistrationFields;
var username1 = document.getElementById("username");
username1.onclick = getRegistrationFields;
var password1 = document.getElementById("password");
password1.onclick = getRegistrationFields;
var confirm1 = document.getElementById("passwordconfirm");
confirm1.onclick = getRegistrationFields;
var first = document.getElementById("firstname").value;
var last = document.getElementById("lastname").value;
var email = document.getElementById("email").value;
var age = document.getElementById("age").value;
var username = document.getElementById("username").value;
var password = document.getElementById("password").value;
var confirmpassword = document.getElementById("passwordconfirm").value;
var empty = "";
if ((first === empty) || (last === empty) || (email === empty) || (age === empty)
|| (username === empty) || (password === empty) || (confirm === empty)) {
var message = "Not all of the fields are filled out";
alert(message);
//showModalWindow("fields");
return false;
}
else {
age = parseInt(age);
if (password.length < 10) {
var message2 = "Password must be at least 10 characters long";
alert(message2);
//showModalWindow("passwordlength");
return false;
}
else if (password != confirmpassword) {
var message3 = "Passwords Do not match";
alert(message3);
//showModalWindow("passwordmatch");
return false;
}
else if (age < 18) {
var message4 = "You must be older to register for this software.";
alert(message4);
//showModalWindow("young");
return false;
}
else {
var message5 = "All of the fields are correct. We will be processing your request";
alert(message5);
var d = new Date();
date[numberOfUsers] = d.toDatestring();
var user = new User(username, password, email, first, last, age, date[numberOfUsers]);
users[numberOfUsers]=user;
numberOfUsers += 1;
//showModalWindow("success");
return true;
}
}
}
function User(username, password, email, firstname, lastname, age, datecreated) {
this.username = username;
this.password = password;
this.firstname = firstname;
this.lastname = lastname;
this.name = firstname + " " + lastname;
this.age = age;
this.datecreated = datecreated;
}
Array.prototype.checkFields = function(username, password) {
for(var i = 0; i < this.length; i++) {
if(this[i].username === username) {
if(this[i].password === password) {
return true;
userNumber = i;
}
}
else {
return false;
}
}
}
function CheckSignIn() {
var username = document.getElementById("username").value;
var password = document.getElementById("password").value;
if (username === "" || password === "") { alert("Please enter a username/password"); }
else {
if (users.checkFields(username, password)) {
window.location = "http://localhost/profile.html";
currentUser.username = users[userNumber].username;
currentUser.password = users[userNumber].password;
currentUser.age = users[userNumber].age;
currentUser.firstname = users[userNumber].firstname;
currentUser.lastname = users[userNumber].lastname;
currentUser.datecreated = users[userNumber].datecreated;
isLoggedOn = true;
}
}
}