scriptyuh

var storedUser = [];
var storedPass = [];
var username;
var password;
var userPassMatch;

function getInfo() {
    username = document.getElementById("usernameReg").value;
    password = document.getElementById("passwordReg").value;
    if (username == "" || password == "")
    {
        console.log("You must enter in both fields.");
        return 1;
    }
    for (var i = 0; i < username.length; i++)
    {
        if (username[i] == " ")
        {
            console.log("No spaces allowed.");
            return 1;
        }
    }
    for (var i = 0; i < storedUser.length; i++)
    {
        if (username == storedUser[i])
        {
            console.log("Username already taken.");
            return 1;
        }
    }
    storedUser.push(username);
    storedPass.push(password);
}

function checkInfo() {
    username = document.getElementById("usernameLog").value;
    password = document.getElementById("passwordLog").value;
    if (username == "" || password == "")
    {
        console.log("You must enter in both fields.");
        return 1;
    }
    for (var i = 0; i < username.length; i++)
    {
        if (username[i] == " ")
        {
            console.log("No spaces allowed.");
            return 1;
        }
    }
    for (var i = 0; i < storedUser.length; i++)
    {
        if (username == storedUser[i])
        {
            console.log("Username found.");
            userPassMatch = i;
        }
        else
        {
            console.log("No username found.");
        }
    }
    if (password == storedPass[userPassMatch])
    {
        console.log("Login successful.")
    }
    else
    {
        console.log("Incorrect username and password.")
    }
}