why repeat your self in signup.js

[Walidmash]

Blog/public/js/sign_up.js

Line 31 in 485b4a7

password.style.border = '1px solid #0F0';

you could make a class for error case , and then added and remove it while validation,
so you can have multiple styles for error case
password.classList.add = 'error';
or
password.classList.remove = 'error'